"Int. Bu., of Mines. Pgh., Pa. 7035"--P. 21.Includes bibliographical references.Mode of access: Internet
Extract from Illinois Geological Survey Buulletin no. 36.At head of title: State of Illinois, State ...
"Int. Bu. of Mines, Pgh., Pa. 9804"--P. 16.Includes bibliographical references.Mode of access: Inter...
"March 1949."Cover title.Includes bibliographical references.Mode of access: Internet
State of Connecticut. Public document no. 47pt. I. The clays of Connecticut.--pt. II. The clay indus...
"Mining methods, by J. W. Harden": p. 396 T4-100 T4."Analyses of Nittany valley iron ores and limest...
Folded color map in separate envelope.Part of illustrative matter folded in pocket.Mode of access: I...
"May 1968"--Cover.Includes bibliographical references (p. 35).Mode of access: Internet
Literature on the general subject of concretions, concretionary structures, and drift clays: p. 39-4...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1899.Includes bibliographical references...
Includes bibliographical references (p. 33-37).Report 1 of a series.Mode of access: Internet
Reprinted from the American Mineralogist, 30, (1945).Includes bibliographical references (p. 713).Mo...
From 15th annual report of the state geologist.At head of title: Geological survey of the state of N...
Work done in cooperation with the Bureau of Industrial Chemistry and the Bureau of Economic Geology ...
Plate printed on both sides.Cover title.Extracted from: Transactions of the American Institute of Mi...
Prepared under a cooperative agreement between the Illinois State Geological Survey, the Engineering...
Extract from Illinois Geological Survey Buulletin no. 36.At head of title: State of Illinois, State ...
"Int. Bu. of Mines, Pgh., Pa. 9804"--P. 16.Includes bibliographical references.Mode of access: Inter...
"March 1949."Cover title.Includes bibliographical references.Mode of access: Internet
State of Connecticut. Public document no. 47pt. I. The clays of Connecticut.--pt. II. The clay indus...
"Mining methods, by J. W. Harden": p. 396 T4-100 T4."Analyses of Nittany valley iron ores and limest...
Folded color map in separate envelope.Part of illustrative matter folded in pocket.Mode of access: I...
"May 1968"--Cover.Includes bibliographical references (p. 35).Mode of access: Internet
Literature on the general subject of concretions, concretionary structures, and drift clays: p. 39-4...
Typescript.Thesis (M.S.)--University of Wisconsin--Madison, 1899.Includes bibliographical references...
Includes bibliographical references (p. 33-37).Report 1 of a series.Mode of access: Internet
Reprinted from the American Mineralogist, 30, (1945).Includes bibliographical references (p. 713).Mo...
From 15th annual report of the state geologist.At head of title: Geological survey of the state of N...
Work done in cooperation with the Bureau of Industrial Chemistry and the Bureau of Economic Geology ...
Plate printed on both sides.Cover title.Extracted from: Transactions of the American Institute of Mi...
Prepared under a cooperative agreement between the Illinois State Geological Survey, the Engineering...
Extract from Illinois Geological Survey Buulletin no. 36.At head of title: State of Illinois, State ...
"Int. Bu. of Mines, Pgh., Pa. 9804"--P. 16.Includes bibliographical references.Mode of access: Inter...
"March 1949."Cover title.Includes bibliographical references.Mode of access: Internet