70 



No. 38. Economic geology of the Bingham Mining District, Utah, 



hy John Mason Boutwell; vvith a section on areal 



geology hy Arthur Keith, and an introduclion on 



general geology hy Samuel Frank 1 i n Emm on s. 1905. 



No. 40. Alpheus Hy att and James Perrin Smith. The 



triassic cephaloid genera of America. 1905. 

 No. 41. Walter C. Mendenhall. Geology of the Central Copper 



River Region, Alaska. 1905. 

 No. 42. Jo si ah Edward Spurr. Geology of the Tonopah Min- 

 ing District, Nevada. 1905. 

 No. 43. W a Idem a r Lindgren. The copper deposits of the 



Clifton-Morenci District, Arizona. 1905. 

 No. 44. Underground water resources of Long Island, New York. 



By A. C. Veatch [m. fl.]. 1906. 

 No. 45. The geography and geology of Alaska. A summary of 

 existing knowledge. By Alfred H. Brooks. With a 

 section on climate by Cleveland Ab be, jr. and a topo- 

 graphic map and description thereof by R. U. Goode. 

 1906. 

 No. 47. Ralph Arnold. The tertiary and quarternary Pectens 



of California. 1906. 

 No. 48. Report on the operations of the coal-testing plant of 

 the U. S. Geological Survey at the Louisiana Purchase 

 Exposition, St. Louis, Mo., 1904. P. 1-1 II. 1906. 

 No. 49. Geology aud mineral resources of part of the Cumberland 

 Gap Coal Field, Kentucky. By George Hall Ashley 

 and Leonidas Chalmefs Glenn in cooperalion with 

 C. J. Norwood. 1906. 

 Report to the Secretary of the Interior. 26. Annual, 1904 — 5. 

 Wash. 1905. 4. 



Resources, Mineral, of the United States. Calendar year 1904. 

 Wash. 1905. 8. 



Water -Supply and Ir ri gat ion P apers. Wash. 8. 



No. 119. John C. Hoyt and B. D. Wood. Index to the hydro- 

 graphic progress reports of the U. S. Geological Survey 

 1888 to 1903. 1905. 

 No. 120. Myron L. Fuller. Bibliographical review and index of 

 papers relating to underground waters published by U. S. 

 Geological Survey 1879-1904. 1905. 

 No. 121. Marshall Ora Leighton. Preliminary report on the 



pollution of Lake Champlain. 1905. 

 No. 122. Douglas Wilson Johnson. Relation of the law to 



underground waters. 1905. 

 No. 123. Charles Rollin Keyes. Geology and underground 

 water conditions of the Jornada del Muerto, New Mexico. 

 1905. 

 No. 124—135. Report of progress of stream measurements for 



the calendar year 1904. P. I -XII. 1905. 

 No. 136. Willis Thomas Lee. Underground waters of Salt 

 River Valley, Arizona. 1905. 



