Preliminary geologic map of the Black River quadrangle, east central Alaska
Author(s):
, and Brabb, E. E.
Publication Year:
1970
Bibliographic Reference:
Brabb, E. E., 1970, Preliminary geologic map of the Black River quadrangle, east central Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I 0060, unpaged, 1 sheet, scale 1:250,000.