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  1. By: Smith, George Otis,
    Publication info: Washington, Govt. print. off, 1913
    Holding Institution: Multiple institutions
  2. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: United States. Forest Service. - Harrison, C. D. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: United States. Forest Service. - Meekham H. S. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Meekham, H. S. - Smith, George Otis,
    Edition: Second edition.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1912]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  9. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Edition: Second edition.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1913]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Noel, J. S. - Smith, George Otis,
    Edition: Second edition.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1912]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  11. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  12. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  13. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  14. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  15. By: United States. Forest Service. - Bonner, F. E. - Farmer, C. F. - Graves, Henry S. (Henry Solon), - Paine, T. O. - Smith, George Otis, - Taylor, J. B.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1917?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  16. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  17. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  18. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  19. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  20. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  21. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  22. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Meekham, H. S.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  23. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Noel, J. S.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  24. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  25. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  26. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  27. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Meekham, H. S.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1907
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  28. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  29. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  30. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  31. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  32. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  33. By: United States. Forest Service. - Farmer, C. F. - Graves, Henry S. (Henry Solon), - Johnson, E. R. - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1917]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  34. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  35. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  36. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Harrison, D. C. - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1910
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  37. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  38. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Meekham, H. S.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  39. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  40. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1907
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  41. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  42. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  43. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  44. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  45. By: United States. Forest Service. - Harrison, D. C. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  46. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Geological Survey (U.S.)
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  47. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Geological Survey (U.S.)
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [190-]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  48. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Smith, George Otis, - Geological Survey (U.S.)
    Edition: Second edition.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1912]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  49. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  50. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  51. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Smith, George Otis, - Geological Survey (U.S.)
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1914]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  52. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  53. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  54. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  55. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  56. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  57. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  58. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  59. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Edition: [First edition].
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909-1915?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  60. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907-1915?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  61. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  62. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  63. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  64. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  65. By: United States. Forest Service. - Meekham, H. S. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  66. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  67. By: United States. Forest Service. - Bassett, C. C. - Meekham, H. S. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  68. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1907]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  69. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  70. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Meekham, H. S. - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1910]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  71. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  72. By: United States. Forest Service. - Meekham, H. S. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  73. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Marshall, R. B. (Robert Bradford),
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  74. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  75. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Dept. of Agriculture, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  76. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  77. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1910]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  78. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  79. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  80. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1908
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  81. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  82. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  83. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  84. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis, - Meekham, H. S.
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1907
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  85. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  86. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Geological Survey, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  87. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  88. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  89. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  90. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  91. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1907
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  92. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1908]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  93. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  94. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  95. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1909
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  96. By: United States. Forest Service. - Pinchot, Gifford, - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1910
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  97. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Meekham, H. S. - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, 1910
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  98. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [1909]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  99. By: United States. Forest Service. - Graves, Henry S. (Henry Solon), - Smith, George Otis,
    Publication info: [Washington, D.C.], U.S. Department of Agriculture, Forest Service, [19--?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library