1-16 of 16 Books
Coal resources of the Trinidad coal field in Huerfano and Las Animas Counties, Colorado
Coal resources of the Trinidad coal field in Huerfano and Las Animas Counties, Colorado
By Ross B. Johnson

Huerfano County Colorado Marriage Index 1878-1939
By Patrick Vernon Murray,Dixie Owens Murray
Geology and coal resources of the Walsenburg area, Huerfano County, Colorado
Geology and coal resources of the Walsenburg area, Huerfano County, Colorado
By Ross B. Johnson
Geology of the Huerfano Park area, Huerfano and Custer Counties, Colorado
Geology of the Huerfano Park area, Huerfano and Custer Counties, Colorado
By Ross B. Johnson
Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado
Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado
By R. L. Harbour
Black Mountain/Devil's Hole fuels and watershed project
Black Mountain/Devil's Hole fuels and watershed project
By
Colorado, Huerfano County, Cisneros and Maes Creek cemeteries
Colorado, Huerfano County, Cisneros and Maes Creek cemeteries
By Arthur F. Maes
Geochemical analyses of rock, stream-sediment, and heavy-mineral concentrate samples collected from the Spanish Peaks wilderness study area, Huerfano and Las Animas Counties, Colorado
Geochemical analyses of rock, stream-sediment, and heavy-mineral concentrate samples collected from the Spanish Peaks wilderness study area, Huerfano and Las Animas Counties, Colorado
By Karin E Budding
Mineral resource potential of the Greenhorn Mountain Wilderness Study Area, Huerfano and Pueblo Counties, Colorado
Mineral resource potential of the Greenhorn Mountain Wilderness Study Area, Huerfano and Pueblo Counties, Colorado
By Margo I Toth
Archaeological resources of the Muddy Creek drainage along State Highway 69 west of Gardner
Archaeological resources of the Muddy Creek drainage along State Highway 69 west of Gardner
By Huerfano County (Colo.)
Soil survey of Huerfano County area, Colorado
Soil survey of Huerfano County area, Colorado
By United States. Soil Conservation Service
Walsenburg folio, Colorado
Walsenburg folio, Colorado
By R. C. Hills,Geological Survey (U.S.)
Spanish Peaks folio, Colorado
Spanish Peaks folio, Colorado
By R. C. Hills,Geological Survey (U.S.)
The ARCO CO₂ pipeline archaeology project
The ARCO CO₂ pipeline archaeology project
By Joseph C. Winter,Stephen C. Lent,University of New Mexico. Office of Contract Archeology
Ground water in Huerfano County, Colorado
Ground water in Huerfano County, Colorado
By Thad G. McLaughlin
1978 census of agriculture, preliminary report, Huerfano County, Colo
1978 census of agriculture, preliminary report, Huerfano County, Colo
By United States. Bureau of the Census