Geologic map of the Gulkana A-1 Quadrangle, south-central Alaska

Author(s): Richter, D. H., Duffield, W. A., Ratte, J. C., Schmoll, H. R., and Sawyer, D. A.

Publication Year: 1994

Bibliographic Reference:

Richter, D. H., Duffield, W. A., Sawyer, D. A., Schmoll, H. R., and Ratte, J. C., 1994, Geologic map of the Gulkana A-1 Quadrangle, south-central Alaska: U.S. Geological Survey Geological Quadrangle Map GQ 1728, unpaged, 1 sheet, scale 1:63,360.

Samples:

    Trying to call method getshared on a non-object