TY - RPRT TI - Selected water-level data for Mesozoic formations in the upper Colorado River basin in Arizona, Colorado, Utah, and Wyoming; excluding the San Juan Basin AU - J. F. Weigel PY - 1987 DO - 10.3133/ofr87397 UR - https://pubs.usgs.gov/publication/ofr87397 ID - ofr87397 ER -