TY  - RPRT
TI  - Silverton folio, Colorado
AU  - Whitman Cross
AU  - Ernest Howe
AU  - F. L. Ransome
PY  - 1905
DO  - 10.3133/gf120
UR  - https://pubs.usgs.gov/publication/gf120
ID  - gf120
ER  -