Related Maps:

An earlier geologic map of this quadrangle, with less detailed Quaternary units, 
is also available:

Geology of the Trampas Quadrangle, Picuris Mountains, 
Taos and Rio Arriba Counties, New Mexico, 
P.W. Bauer and M.A. Helper, 1994, Scale 1:24,000.

https://geoinfo.nmt.edu/publications/maps/geologic/gm/71