TY - RPRT TI - Determination of instream metal loads using tracer-injection and synoptic-sampling techniques, Wightman Fork, southwestern Colorado, July 1999 AU - Roderick F. Ortiz PY - 2001 DO - 10.3133/wri014167 UR - https://pubs.usgs.gov/publication/wri014167 ID - wri014167 ER -