Petty-Ray Geophysical, Gillette, WY

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1-3 (3 Records)

Documents

Intensive Cultural Resource Survey of the Petty-Ray #1843, #1844, and #1845 Seismic Lines, Campbell County, Wyoming (1980)
Letter Report: An Intensive Cultural Resource Survey of the Petty-Ray Geophysical Seismic Line 81-A-27, Campbell and Converse Counties, Wyoming (1981)
Letter Report: An Intensive Cultural Resource Survey of the Petty-Ray Seismic Line #81-A-17, Campbell and Converse Counties, Wyoming (1981)

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