TY - RPRT TI - Preliminary reconnaissance geologic map of the western half of Kantishna River quadrangle, Alaska AU - Robert Mills Chapman AU - W. E. Yeend AU - William Wallace Patton PY - 1975 DO - 10.3133/ofr75351 UR - https://pubs.usgs.gov/publication/ofr75351 ID - ofr75351 ER -