Fig 1 -
Location of A) 200 study sites and B) 70 mesohabitat units in the San Saba River, TX and USGS gage 08144500 used for model construction. Information about mussel assemblages and habitat characteristics necessary for HEC-RAS model construction were collected at each site. Notice difference in scale. Map services and data available from U.S. Geological Survey, National Geospatial Program.