TY - RPRT TI - Exploration in the Cosna-Nowitna region. Mineral resources of the Ruby-Kuskokwim region AU - H. M. Eakin AU - J.B. Mertie AU - G. L. Harrington PY - 1916 DO - 10.3133/b642h UR - https://pubs.usgs.gov/publication/b642H ID - b642H ER -