References

Barnett-Johnson, R., T.E. Pearson, F.C. Ramos, C.B. Grimes, and R.B. MacFarlane. 2008. Tracking natal origins of salmon using isotopes, otoliths, and landscape geology. Limnology and Oceanography 53: 1633-1642.

Buto, S.G, and T. Kenney. 2009. Guide to using the Upper Colorado River Basin SPARROW digital map. http://pubs.usgs.gov/sir/2009/5007/pdf/DigitalPlateGuide.pdf.

Campana, S.E. 1985. Microstructure of fish otoliths. Canadian Journal of Fisheries and Aquatic Sciences 42: 1014-1032.

USGS. 1994.Water Resources Center. http://water.usgs.gov/GIS/metadata/usgswrd/XML/huc250k.xml.

USGS. 2003.Water Resources Center. http://water.usgs.gov/GIS/metadata/usgswrd/XML/erfl_2.xml.

USGS. 2005. Preliminary intergrated geologic map databases for the United States: Central States. http://pubs.usgs.gov/of/2005/1305/.

USGS. 2005. Preliminary intergrated geologic map databases for the United States: Western States. http://pubs.usgs.gov/of/2005/1351/.