16 PUBLICATIONS OF U. S. GEOLOGICAL SURVEY. [bull.215. 
68. Water storage in the Truckee Basin, California-Nevada, by L. H. Taylor. 
1902. 90 pp., 8 pis. 
69. Water powers of the State of Maine, by H. A. Pressey. 1902. 124 pp., 
14 pis. 
70. Geology and water resources of the Patrick and Goshen Hole quadrangles, 
Wyoming, by G. I. Adams. 1902. 50 pp., 11 pis. 
71. Irrigation systems of Texas, by T. U. Taylor. 1902. 137 pp., 9 pis. 
72. Sewage pollution in the metropolitan area near New York City and its effect 
on inland water resources, by M. O. Leighton. 1902. 75 pp., 8 pis. 
73. Water storage on Salt River, Arizona, by A. P. Davis. 1902. 54 pp., 
25 pis. 
74. Water resources of the State of Colorado, by A. L. Fellows. 1902. 151 pp., 
14 pis. 
75. Report of progress of stream measurements for calendar year 1901, by F. H. 
Newell. 1903. 246 pp., 13 pis. 
76. Observations on the flow of rivers in the vicinity of New York City, by H. 
A. Pressey. 1903. 108 pp., 13 pis. 
77. Water resources of Molakai, Hawaiian Islands, by Waldemar Lindgren. 
1903. 62 pp., 4 pis. 
78. Preliminary report on artesian basins in southwestern Idaho and south- 
eastern Oregon, by I. C. Russell. 1903. 53 pp., 2 pis. 
79. Normal and polluted waters in northeastern United States, by M. O. Leigh- 
ton. 1903. 192 pp. 
80. Relation of rainfall to run-off, by G. W. Rafter. 1903. 104 pp. 
