TY - RPRT TI - Trace-element accumulation by Hygrohypnum ochraceum in the upper Rio Grande Basin, Colorado and New Mexico, USA AU - L. F. Carter AU - S. D. Porter PY - 1997 DO - 10.1002/etc.5620161213 UR - https://pubs.usgs.gov/publication/70019153 ID - 70019153 ER -