The Bonnifield region, Alaska,
Capps, Stephen R. 1881-1949.
The Bonnifield region, Alaska, by Stephen R. Capps. - Washington, Govt. print. off., 1912. - 64 p. plates, fold. maps (in pocket) diagrs. 24 cm. - United States. Geological survey. Bulletin 501 .
gs 12000871
Geology--Alaska--Bonnifield District.
QE75 / .B9 no. 501
The Bonnifield region, Alaska, by Stephen R. Capps. - Washington, Govt. print. off., 1912. - 64 p. plates, fold. maps (in pocket) diagrs. 24 cm. - United States. Geological survey. Bulletin 501 .
gs 12000871
Geology--Alaska--Bonnifield District.
QE75 / .B9 no. 501