Color shaded relief map of the conterminous United States
Explore the source record for details and available documents.
Open-File Report↗
Geology topics
P. G. Schruben
Publications and source records attributed to P. G. Schruben.
MARK3B, resource assessment program for Macintosh
Explore the source record for details and available documents.
Open-File Report↗
Geologic map of the Venezuela part of the Rio Mavaca 2 degrees by 3 degrees Quadrangle, Amazonas Federal Territory, Venezuela
Explore the source record for details and available documents.
Miscellaneous Field Studies Map↗
Geologic map of the Venezuela part of the Piedra de Cocuy 2 degrees x 3 degrees Quadrangle, Amazonas Federal Territory, Venezuela
Explore the source record for details and available documents.
Miscellaneous Field Studies Map↗
Some controls on trace-element concentrations, especially uranium, in selected peat deposits in Vermont and New Hampshire
No abstract available.
New Hampshire, Vermont↗
MICROMAG; a magnetometer data processor for portable magnetometer and Apple microcomputer
Explore the source record for details and available documents.
Open-File Report↗
MRDS-REV; mineral occurrence deposit data base for microcomputer
Explore the source record for details and available documents.
Open-File Report↗
Geologic map of the Big Gum Swamp and Natural Area Roadless Areas, Osceola National Forest, Columbia and Baker counties, Florida
Explore the source record for details and available documents.
Miscellaneous Field Studies Map↗