TY  - RPRT
TI  - Construction materials in Ellis County, Kansas
AU  - Frank E. Byrne
AU  - Vincent Bruce Coombs
AU  - Charles H. Bearman
PY  - 1949
DO  - 10.3133/cir30
UR  - https://pubs.usgs.gov/publication/cir30
ID  - cir30
ER  -