21. Ozokerite in central Utah / by Heath M. Robinson. Bulletin / Department of the Interior, United States Geological Survey ; 641-A, Contributions to economic geology ; 1916, part II Robinson, Heath Montgomery [Washington, D.C.] : Department of the Interior, United States Geological Survey, 1916.Washington : Government Printing Office. Book Online
22. Possibilities of oil and gas in north-central Montana / by Eugene Stebinger. Bulletin (Geological Survey (U.S.)) ; no. 641-C., Contributions to economic geology ; 1916, pt. II., Bulletin / Department of the Interior, United States Geological Survey ; 641-C, Contributions to economic geology ; 1916, part II Stebinger, Eugene [Washington, D.C.] : Department of the Interior, United States Geological Survey, 1916.Washington : Government Printing Office. Book Online
23. Possibilities of oil and gas in north-central Montana / by Eugene Stebinger. Bulletin / Department of the Interior, United States Geological Survey ; 641-C, Contributions to economic geology ; 1916, part II Stebinger, Eugene [Washington, D.C.] : Department of the Interior, United States Geological Survey, 1916.Washington : Government Printing Office. Book Online
24. Structure of the Vicksburg-Jackson area, Mississippi, with special reference to oil and gas / by Oliver B. Hopkins. Bulletin (Geological Survey (U.S.)) ; no. 641-D., Contributions to economic geology ; 1916, pt. II., Bulletin / Department of Interior, United States Geological Survey ; 641-D, Contributions to economic geology ; 1916, pt. II Hopkins, Oliver B. (Oliver Baker), 1886- [Washington, D.C.] : Department of Interior, United States Geological Survey, 1916.Washington : Government Printing Office. Book Online
25. Structure of the Vicksburg-Jackson area, Mississippi, with special reference to oil and gas / by Oliver B. Hopkins. Bulletin / Department of Interior, United States Geological Survey ; 641-D, Contributions to economic geology ; 1916, pt. II Hopkins, Oliver B. (Oliver Baker), 1886- [Washington, D.C.] : Department of Interior, United States Geological Survey, 1916.Washington : Government Printing Office. Book Online
26. Anticlines in the Blackfeet Indian Reservation, Montana / by Eugene Stebinger. Bulletin (Geological Survey (U.S.)) ; no. 641-J., Contributions to economic geology ; 1916, pt. II., Bulletin / Department of the Interior, United States Geological Survey ; 641-J, Contributions to economic geology ; 1916, part II Stebinger, Eugene [Washington, D.C.] : Department of the Interior, United States Geological Survey, [1917]Washington : Government Printing Office. Book Online
27. Anticlines in the Blackfeet Indian Reservation, Montana / by Eugene Stebinger. Bulletin / Department of the Interior, United States Geological Survey ; 641-J, Contributions to economic geology ; 1916, part II Stebinger, Eugene [Washington, D.C.] : Department of the Interior, United States Geological Survey, [1917]Washington : Government Printing Office. Book Online
28. Coals in the area between Bon Air and Clifty, Tennessee / by Charles Butts. Bulletin (Geological Survey (U.S.)) ; no. 641-K., Contributions to economic geology ; 1916, pt. II., Bulletin / Department of the Interior, United States Geological Survey ; 641-K, Contributions to economic geology ; 1916, part II Butts, Charles, 1863-1946 [Washington, D.C.] : Department of the Interior, United States Geological Survey, [1917]Washington : Government Printing Office. Book Online
29. Coals in the area between Bon Air and Clifty, Tennessee / by Charles Butts. Bulletin / Department of the Interior, United States Geological Survey ; 641-K, Contributions to economic geology ; 1916, part II Butts, Charles, 1863-1946 [Washington, D.C.] : Department of the Interior, United States Geological Survey, [1917]Washington : Government Printing Office. Book Online
30. Oil resources of black shales of the Eastern United States / George H. Ashley. Bulletin (Geological Survey (U.S.)) ; no. 641-L., Contributions to economic geology ; 1916, pt. II., Bulletin / Department of the Interior, United States Geological Survey ; 641-L, Contributions to economic geology ; 1916, part II Ashley, Geo. H. (George Hall), 1866-1951 [Washington, D.C.] : Department of the Interior, United States Geological Survey, [1917]Washington : Government Printing Office. Book Online
31. Oil resources of black shales of the Eastern United States / George H. Ashley. Bulletin / Department of the Interior, United States Geological Survey ; 641-L, Contributions to economic geology ; 1916, part II Ashley, Geo. H. (George Hall), 1866-1951 [Washington, D.C.] : Department of the Interior, United States Geological Survey, [1917]Washington : Government Printing Office. Book Online
32. History of agriculture in the northern United States, 1620-1860, by Percy Wells Bidwell ... and John I. Falconer ... Carnegie Institution of Washington publication no. 358, Contributions to American economic history ... [5] Bidwell, Percy W. (Percy Wells), 1888-1970 Washington, The Carnegie Institution of Washington, 1925. Book Physical Firestone Library HD1761.B47 Loading...
33. History of agriculture in the northern United States, 1620-1860 / by Percy Wells Bidwell ... and John I. Falconer ... Carnegie Institution of Washington publication ; 358., Contributions to American economic history ; 5., Carnegie Institution of Washington publication ; no. 358, Contributions to American economic history ; 5 Bidwell, Percy W. (Percy Wells), 1888-1970 Washington : The Carnegie Institution of Washington, 1925. Book Physical ReCAP S441 .B5
34. The Pumpkin Buttes coal field, Wyoming / by C.H. Wegemann, R.W. Howell and C.E. Dobbin. Geological Survey bulletin ; 806-A., Contributions to economic geology ; 1928, pt. 2, p. 1-14., Bulletin / Department of the Interior, U.S. Geological Survey ; 806-A, Contributions to economic geology ; 1928, pt. 2, p. 1-14 Wegemann, Carroll H. Washington : U.S. G.P.O., 1928. Book Physical ReCAP 622.1 W42
35. The climax molybdenum deposit, Colorado / by B.S. Butler and J.W. Vanderwilt ; with a section on history, production, metallurgy, and development by Charles W. Henderson. Contributions to economic geology ; 1933, pt. 1., Bulletin (Geological Survey (U.S.)) ; no. 846-C., Contributions to economic geology ; 1933, part 1, Bulletin / United States Department of the Interior, Geological Survey ; 846-C Butler, B. S. (Bert Sylvenus), 1877-1960 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1933.Washington : United States Government Printing Office. Book Online
36. The climax molybdenum deposit, Colorado / by B.S. Butler and J.W. Vanderwilt ; with a section on history, production, metallurgy, and development by Charles W. Henderson. Contributions to economic geology ; 1933, part 1, Bulletin / United States Department of the Interior, Geological Survey ; 846-C Butler, B. S. (Bert Sylvenus), 1877-1960 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1933.Washington : United States Government Printing Office. Book Online
37. Geology and ore deposits of the Takilma-Waldo district, Oregon, including the Blue Creek district / by Philip J. Shenon. Contributions to economic geology ; 1933, pt. 1., Bulletin (Geological Survey (U.S.)) ; no. 846-B., Contributions to economic geology ; 1933, part 1, Bulletin / United States Department of the Interior, Geological Survey ; 846-B Shenon, Philip J. (Philip John), 1897-1966 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1933.Washington : United States Government Printing Office. Book Online
38. Geology and ore deposits of the Takilma-Waldo district, Oregon, including the Blue Creek district / by Philip J. Shenon. Contributions to economic geology ; 1933, part 1, Bulletin / United States Department of the Interior, Geological Survey ; 846-B Shenon, Philip J. (Philip John), 1897-1966 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1933.Washington : United States Government Printing Office. Book Online
39. History of agriculture in the southern United States to 1860, by Lewis Cecil Gray, assisted by Esther Katherine Thompson, with an introductory note by Henry Charles Taylor. [Carnegie Institution of Washington. Publication no. 430], Contributions to American economic history ... [7] Gray, Lewis Cecil, 1881- Washington, The Carnegie Institution of Washington, 1933. Book Physical Firestone Library HD1761 .G79 Loading...
40. Some mining districts of eastern Oregon / by James Gilluly, J.C. Reed and C.F. Park, Jr. Bulletin (Geological Survey (U.S.)) ; no. 846-A., Contributions to economic geology ; 1933, pt. 1., Contributions to economic geology ; 1933, part 1, Bulletin / United States Department of the Interior, Geological Survey ; 846-A Gilluly, James, 1896-1980 [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1933.Washington : United States Government Printing Office. Book Online