View of Old Mans Creek near Iowa City, Iowa
By Environmental Health Program
April 2016 (approx.)
Detailed Description
View of Old Mans Creek near Iowa City, Iowa upstream from a bridge used for collecting water-quality samples (USGS Site ID: 05455100). This site was part of the sampling network for the first reconnaissance study to assess potential off-field transport of nitrapyrin (a bactericide) to streams.
Sources/Usage
Public Domain.