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1Subjects: “...Petrology Colorado Custer Co....”
Government Document Book -
2by Shawe, Daniel R., 1925-Subjects: “...Petrology Colorado San Miguel Co....”
Published 1968
Government Document Book -
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4by Tillman, Roderick W.Subjects: “...Petrology Colorado Minturn Formation....”
Published 1966
Thesis Book -
5Subjects: “...Petrology Colorado....”
Government Document Book -
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8by Armbrustmacher, Theodore J., 1946-Subjects: “...Petrology Colorado Wet Mountains....”
Published 1983
Government Document Book -
9Subjects: “...Petrology Colorado....”
Government Document Book -
10by Kinney, Douglas M. (Douglas Merrill), 1917-Subjects: “...Petrology Colorado Grand County....”
Published 1968
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11by Wells, John David, 1926-Subjects: “...Petrology Colorado Clear Creek County....”
Published 1960
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12by Shawe, Daniel R., 1925-Subjects: “...Petrology Colorado Dolores County....”
Published 1968
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13by Pearl, Richard M. (Richard Maxwell), 1913-1980Subjects: “...Petrology Colorado....”
Published 1969
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15Subjects: “...Petrology Colorado Gilpin County....”
Government Document Book -
16Subjects: “...Petrology Colorado San Miguel County....”
Government Document Book -
17by Hansen, Wallace R., 1920-Subjects: “...Petrology Colorado Gunnison County....”
Published 1964
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18by Staatz, Mortimer H. (Mortimer Hay), 1918-2004, Trites, Albert F. (Albert Fillion), 1921-Subjects: “...Petrology Colorado Gunnison County....”
Published 1955
Government Document Book -
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