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101.
Origin and microfossils of the oil shale of the Green River formation of Colorado and Utah, by Wilmot H. Bradley. by Series: U. S. Geological Survey. Professional paper 168
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1931
Availability: No items available.

102.
103.
Geology and ore deposits of the Breckenridge mining district, Colorado / by T.S. Lovering. by Series: Geological Survey professional paper ; 176
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [D.C.] : U.S. Govt. Print. Off., 1934
Availability: No items available.

104.
... The Book Cliffs coal field in Garfield and Mesa counties, Colorado, by Charles E. Erdmann. by Series: U.S. Geological survey. Bulletin 851
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. print. off., 1934
Availability: No items available.

105.
106.
A brief review of the geology of the San Juan region of southwestern Colorado, by Whitman Cross and Esper S. Larsen. by Series: U.S. Geological survey. Bulletin ; no. 843
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. print. off., 1935
Availability: No items available.

107.
Ore deposits in the vicinity of the London fault of Colorado, by Quentin D. Singewald and B. S. Butler. by Series: U.S. Geological survey. Bulletin 911
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1941
Availability: No items available.

108.
Suspended sediment in the Colorado River, 1925-41 / by C.S. Howard. by Series: Geological Survey water-supply paper ; 998
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. G.P.O., 1947
Availability: No items available.

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112.
Informe geológico sobre el proyecto de embalse del río Colorado en Paso Huelches (territorios de la Pampa y Río Négro) by Series: Argentina. Boletín ; no. 66.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Buenós Aires, 1948
Availability: No items available.

113.
Geology and ore deposits of the upper Blue River area, Summit County, Colorado / by Quentin D. Singewald. by Series: Geological Survey bulletin ; 970
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, [D.C.] : U.S. G.P.O., 1951
Availability: No items available.

114.
115.
General and engineering geology of the Wray area, Colorado and Nebraska / by Dorothy R. Hill and Jessie M. Tompkin. by Series: Geological Survey bulletin ; 1001
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, [D.C.] : U.S. G.P.O., 1953
Availability: No items available.

116.
Uranium occurrences in the Golden Gate Canyon and Ralston Creek areas, Jefferson County, Colorado, by J. W. Adams, A. J. Gude, 3d, and E. P. Beroni. by Series: United States. Circular ; no. 320.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, 1953
Availability: No items available.

117.
118.
Pegmatites of the Crystal Mountain district, Larimer County, Colorado / by William R. Thurston. by Series: Geological Survey bulletin ; 1011
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, [D.C.] : U.S. G.P.O., 1955
Availability: No items available.

119.
Geology of the Quartz Creek pegmatite district, Gunnison County, Colorado, by Mortimer H. Staatz and Albert F. Trites. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S.Govt.Print.Off., 1955
Availability: No items available.

120.
Geology and ground-water resources of Baca County, Colorado / by Thad G. McLaughlin ; prepared in cooperation with the Colorado Water Conservation Board. by Series: Geological Survey water-supply paper ; 1256
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. G.P.O., 1954
Availability: No items available.

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