TY - RPRT TI - Map showing availability of hydrologic data, Boulder-Fort Collins-Greeley area, Front Range Urban Corridor, Colorado AU - E. R. Hampton AU - G. A. Clark AU - M. H. McNutt PY - 1974 DO - 10.3133/i855c UR - https://pubs.usgs.gov/publication/i855C ID - i855C ER -