TY  - RPRT
TI  - Index maps showing available topography and aerial photography for Craig 1° x 2° quadrangle, Colorado and Wyoming
AU  - Irving Jerome Witkind
AU  - J. W. Keogh
AU  - J. R. Grocock
PY  - 1975
DO  - 10.3133/ofr7542
UR  - https://pubs.usgs.gov/publication/ofr7542
ID  - ofr7542
ER  -