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Geologic map of the Green Bay 7.5-minute quadrangle, Prince Edward County, Virginia [microform] / U.S. Department of the Interior, U.S. Geological Survey ; by John D. Peper and Paul C. Hackley ; prepared in cooperation with Virginia Division of Mineral Resources (Open-file report ; 99-423)

Geologic map of the Green Bay 7.5-minute quadrangle, Prince Edward County, Virginia [microform] / U.S. Department of the Interior, U.S. Geological Survey ; by John D. Peper and Paul C. Hackley ; prepared in cooperation with Virginia Division of Mineral Resources (Open-file report ; 99-423)
Microform図書
1999<YCA-I 19.76:99-423>
National Diet Library
  • Author HeadingGeological Survey (U.S.) Peper, John D Hackley, Paul C Virginia. Div...

Reconnaissance geologic map of the Clarksville north and Boydton 7.5-minute quadrangles, Mecklenburg and Charlotte counties, Virginia [microform] / U.S. Department of the Interior, U.S. Geological Survey ; by John D. Peper and Adam W. Wygant (Open-file report ; 97-524)

Reconnaissance geologic map of the Clarksville north and Boydton 7.5-minute quadrangles, Mecklenburg and Charlotte counties, Virginia [microform] / U.S. Department of the Interior, U.S. Geological Survey ; by John D. Peper and Adam W. Wygant (Open-file report ; 97-524)
Microform図書
1997<YCA-I 19.76:97-524>
National Diet Library
  • Author HeadingGeological Survey (U.S.) Peper, John D Wygant, Adam W

Mineral resources of the Honeycombs Wilderness Study Area, Washakie County, Wyoming / by John D. Peper ... [et al.] (Mineral resources of wilderness study areas--northern Wyoming ; ch. C) (U.S. Geological Survey bulletin ; 1756)

Mineral resources of the Honeycombs Wilderness Study Area, Washakie County, Wyoming / by John D. Peper ... [et al.] (Mineral resources of wilderness study areas--northern Wyoming ; ch. C) (U.S. Geological Survey bulletin ; 1756)
Microform図書
1988<YCA-I 19.3:1756-C>
National Diet Library
  • Author HeadingPeper, John D Geological Survey (U.S.)

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