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Preliminary geologic map of the Shambo quadrangle, Bearpaw Mountains, Montana
Shambo quadrangle, Bearpaw Mountains, Montana
1 map : color ; 88 x 59 cm., on sheet 104 x 110 cm., folded to 22 x 37 cm., in envelope 30 x 24 cm.
"Based on field investigations in 1951-53."
Includes text, explanation, index map, and bibliographical references.
Text, "Geology of the Shambo quadrangle, Bearpaw Mountains, Montana," by W.T. Pecora.
Geology of the Shambo quadrangle, Bearpaw Mountains, Montana
Miscellaneous geologic investigations ; map I-236