LA Plata Arch Consult No description specified. 1-2 (2 Records) Documents Archaeological Survey and Avoidance Assessment for Frontie Explorations Seismographic Line 90-14 Montezuma County, Colorado (Sj91005) (1990) Archaeological Survey of Grynberg Petroleums 1-11 Federal Ricon Canyon Well Pad and Access Road Montezuma County, Colorado (Sj89068) (1989)