Trego County
U.S. Geological Survey Circular
Byrne, F.E., Coombs, V.B., and Bearman, C.H., 1947, Construction materials in the Cedar Bluffs area, Trego County, Kansas: U.S. Geological Survey, Circular 15, 21 p.
Other Online Resources
U.S. Geological Survey Circular
Byrne, F.E., Coombs, V.B., and Bearman, C.H., 1947, Construction materials in the Cedar Bluffs area, Trego County, Kansas: U.S. Geological Survey, Circular 15, 21 p.
Other Online Resources