TY - RPRT TI - Analytical data report for a pilot-study of twenty stream-sediment, heavy-mineral concentrate, and rock samples from the Sangre de Cristo Wilderness Study Area, south-central Colorado AU - David R. Zimbelman AU - J. A. Hedal AU - B. M. Adrian AU - B. F. Arbogast PY - 1983 DO - 10.3133/ofr83925 UR - https://pubs.usgs.gov/publication/ofr83925 ID - ofr83925 ER -