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1.
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Calderas of the San Juan volcanic field, southwestern Colorado : eighteen major ash-flow tuff sheets were deposited and perhaps as many related calderas developed during emplacement of an underlying shallow batholith in late Oligocene time / by Thomas A. Steven and Peter W. Lipman by Series:
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : U.S. Govt. Print. Off., 1976
Availability: Items available for loan: National Library of India (1)Call number: U.S 551.210978838 St 47 (paper no. 958).

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2.
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Mineral resources of the La Garita Wilderness, San Juan Mountains, southwestern Colorado : an evaluation of the mineral potential of the area / by Thomas A. Steven and C. L. Bieniewski ; with a section on geophysical interpretation by Gordon P. Eaton by Series: Studies related to wilderness-wilderness areas
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Government Printing Office, 1977
Availability: Items available for loan: National Library of India (1)Call number: U.S 553.0978838 St 46 m.

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3.
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Revised stratigraphy and radiometric ages of volcanic rocks and mineral deposits in the Marysvale area, west-central Utah / by T. A. Steven ... [et. al.] by Series:
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : United States Government Printing Office, c1979
Availability: Items available for loan: National Library of India (1)Call number: U.S 551.78 R 327 (Bul. no. 1469).

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