TY - RPRT TI - Spectrographic and chemical analyses of bulk heavy-mineral concentrate samples from the Talkeetna quadrangle, Alaska AU - Gary C. Curtin AU - E.F. Cooley AU - R. M. O’Leary AU - S.K. McDanal PY - 1978 DO - 10.3133/ofr78146 UR - https://pubs.usgs.gov/publication/ofr78146 ID - ofr78146 ER -