TY - RPRT TI - Geochemical distribution of elements in stream sediments and heavy-mineral concentrate samples in the southern half of the National Petroleum Reserve, Alaska AU - P. K. Theobald AU - H. N. Barton AU - T. M. Billings AU - J. G. Frisken AU - R. L. Turner AU - George VanTrump PY - 1978 DO - 10.3133/ofr78517 UR - https://pubs.usgs.gov/publication/ofr78517 ID - ofr78517 ER -