At head of title : United States Geological survey. Charles D. Walcott, director.Mode of access: Internet
At head of title: The Geological survey of Arkansas, 1909.Mode of access: Internet
At head of title: Department of the interior.Reprinted from U.S. Geological survey. Shorter contribu...
"September 1999."Includes bibliographical references (p. 74-82 (2nd group)).Mode of access: Internet
At head of title: Dept. of the Interior. U.S. Geological Survey.Mode of access: Internet
At head of title: Department of the Interior. United States Geological Survey.Mode of access: Inter...
At head of title: United States Department of the Interior.Mode of access: Internet
For submission to U.S. Army Construction Engineering Research Laboratories, Champaign, Illinois""Jan...
Vols. 11- issued as University of Kansas publications.Volumes issued in parts.Mode of access: Intern...
Five folded maps and folded chart in pocket.At head of title: United States Department of the interi...
At head of title: Department of the interior, United States Geological survey ...Mode of access: Int...
Often cited as Kentucky Geological Survey. [Reports]; Kentucky Geological Survey. Series 4.Mode of a...
At head of title: Bureau of Geology. C.W. Shannon, director. F.M. Bullard, chief geologist.Mode of a...
At head of title: U. S. Department of Agriculture. Bureau of Soils."Advance sheets - field operation...
At head of title: Department of the interior - U.S. Geological survey.Extract from the 21st annual r...
At head of title: Department of the Interior. United States Geological Survey ... .Mode of access: I...
At head of title: The Geological survey of Arkansas, 1909.Mode of access: Internet
At head of title: Department of the interior.Reprinted from U.S. Geological survey. Shorter contribu...
"September 1999."Includes bibliographical references (p. 74-82 (2nd group)).Mode of access: Internet
At head of title: Dept. of the Interior. U.S. Geological Survey.Mode of access: Internet
At head of title: Department of the Interior. United States Geological Survey.Mode of access: Inter...
At head of title: United States Department of the Interior.Mode of access: Internet
For submission to U.S. Army Construction Engineering Research Laboratories, Champaign, Illinois""Jan...
Vols. 11- issued as University of Kansas publications.Volumes issued in parts.Mode of access: Intern...
Five folded maps and folded chart in pocket.At head of title: United States Department of the interi...
At head of title: Department of the interior, United States Geological survey ...Mode of access: Int...
Often cited as Kentucky Geological Survey. [Reports]; Kentucky Geological Survey. Series 4.Mode of a...
At head of title: Bureau of Geology. C.W. Shannon, director. F.M. Bullard, chief geologist.Mode of a...
At head of title: U. S. Department of Agriculture. Bureau of Soils."Advance sheets - field operation...
At head of title: Department of the interior - U.S. Geological survey.Extract from the 21st annual r...
At head of title: Department of the Interior. United States Geological Survey ... .Mode of access: I...
At head of title: The Geological survey of Arkansas, 1909.Mode of access: Internet
At head of title: Department of the interior.Reprinted from U.S. Geological survey. Shorter contribu...
"September 1999."Includes bibliographical references (p. 74-82 (2nd group)).Mode of access: Internet