TY - RPRT TI - A listing and statistical summary of spectrographic analyses of heavy mineral concentrate samples for the Philip Smith Mountains Quadrangle, Alaska AU - John B. Cathrall AU - E.F. Cooley AU - D.E. Detra AU - T. M. Billings PY - 1977 DO - 10.3133/ofr77426 UR - https://pubs.usgs.gov/publication/ofr77426 ID - ofr77426 ER -