TY  - RPRT
TI  - 28 preliminary geologic maps covering a part of the Navajo and Hopi Indian Reservations
AU  - J. W. Harshbarger
PY  - 1954
DO  - 10.3133/ofr54116
UR  - https://pubs.usgs.gov/publication/ofr54116
ID  - ofr54116
ER  -