Changing hydrologic regimes and prehistoric landscape use in the northern San Luis Valley, ColoradoColorado Geological Survey1–11
Jodry, M. A. and Stanford, Dennis J. 1996. "Changing hydrologic regimes and prehistoric landscape use in the northern San Luis Valley, Colorado." In Hydrogeology of the San Luis Valley and environmental issues downstream from the Summittville Mine, South-Central Colorado. 1–11. Colorado Geological Survey.