마이크로자료
Distribution and abundance of tungsten, determined for colorimetric and spectrographic analysis, in the minus-80-mesh fraction of stream sediments, Petersburg area southeast Alaska[microform]
표제/저자사항 Distribution and abundance of tungsten, determined for colorimetric and spectrographic analysis, in the minus-80-mesh fraction of stream sediments, Petersburg area southeast Alaska[microform] / John B. Cathrall... [et al.]
발행사항 [Reston, Va.?]: U.S. Dept. of the Interior, Geological Survey, 1983
형태사항 1 map; 53 x 70 cm
총서사항 (Open file report)
주기사항 Relief shown by contours and spot heights.
"Preliminary."
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?] 1 microfiche ; 11 x 15 cm.
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