TY - RPRT TI - Map and tables showing potassium-argon age determinations and selected major-element chemical analyses from the Circle quadrangle, Alaska AU - Gregory D. DuBois AU - Frederic H. Wilson AU - Nora B. Shew PY - 1986 DO - 10.3133/ofr86392 UR - https://pubs.usgs.gov/publication/ofr86392 ID - ofr86392 ER -