TY  - RPRT
TI  - Distribution and extent of heavy metal accumulation in Song Sparrows ( Melospiza melodia ), upper Santa Cruz River watershed, southern Arizona, 2011-12
AU  - Michael B. Lester
AU  - Charles van Riper
PY  - 2014
DO  - 10.3133/ofr20141072
UR  - https://pubs.usgs.gov/publication/ofr20141072
ID  - ofr20141072
ER  -