TY  - RPRT
TI  - Chicago folio, Riverside, Chicago, Desplaines, and Calumet quadrangles. Illinois-Indiana
AU  - William C. Alden
PY  - 1902
DO  - 10.3133/gf81
UR  - https://pubs.usgs.gov/publication/gf81
ID  - gf81
ER  -