TY - RPRT TI - Potassium-argon age determinations from the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula AU - Gregory D. DuBois AU - Frederic H. Wilson AU - Nora B. Shew PY - 1987 DO - 10.3133/ofr87191 UR - https://pubs.usgs.gov/publication/ofr87191 ID - ofr87191 ER -