1. Geologic map and cross sections of the Sapello River area, Sangre de Cristo Mountains, Mora and San Miguel counties, New Mexico Yale Public content 1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. New Mexico, Mora County, and San Miguel County.