TY - RPRT TI - Water-level records for the northern High Plains of Colorado, 1973-77 AU - Thomas J. Major AU - Ronald G. Borman AU - Kenneth D. Vaught PY - 1977 DO - 10.3133/ofr77160 UR - https://pubs.usgs.gov/publication/ofr77160 ID - ofr77160 ER -