TY - RPRT TI - Using water, bryophytes, and macroinvertebrates to assess trace element concentrations in the Upper Colorado River Basin AU - J. R. Deacon AU - N.E. Spahr AU - S.V. Mize AU - R.W. Boulger PY - 2001 DO - 10.1023/a:1011931216906 UR - https://pubs.usgs.gov/publication/70023311 ID - 70023311 ER -