(Q106876320)
Statements
1902
1 reference
1949
4 references
Geological Survey bulletin (English)
5 references
4 references
4 references
U.S. Dept. of the Interior, Geological Survey
4 references
For sale by the Supt. of Docs., U.S. G.P.O.
4 references
[Reston, Va.?]
4 references
Washington, D.C.
4 references
3 references
3 references
1949
1 reference
1983
3 references
557
1 reference
QE75 .B9
1 reference
Identifiers
Geological Survey bulletin (Washington)
5 references
3 references
Geol. Surv. Bull.
2 references
1 reference
1 reference
1 reference