TY  - RPRT
TI  - Assessment of geochemical variability and a listing of geochemical data for surface soils of the Front Range Urban Corridor, Colorado
AU  - R. C. Severson
AU  - Harry Allison Tourtelot
PY  - 1994
DO  - 10.3133/ofr94648
UR  - https://pubs.usgs.gov/publication/ofr94648
ID  - ofr94648
ER  -