TY  - RPRT
TI  - Preliminary geologic map of the Nulato and Kateel Rivers area, Alaska
AU  - Robert Samuel Bickel
AU  - William Wallace Patton
PY  - 1956
DO  - 10.3133/ofr568
UR  - https://pubs.usgs.gov/publication/ofr568
ID  - ofr568
ER  -