TY - RPRT TI - Energy resources and changing land use, Front Range of Colorado: AAPG-EMD field trip guide, in association with the 2001 AAPG-EMD annual meeting AU - Neil S. Fishman AU - Stephen B. Roberts PY - 2001 DO - 10.3133/ofr01172 UR - https://pubs.usgs.gov/publication/ofr01172 ID - ofr01172 ER -