TY - RPRT TI - Estimates of vertical hydraulic conductivity and regional ground-water flow rates in rocks of Jurassic and Cretaceous age, San Juan Basin, New Mexico and Colorado AU - P. F. Frenzel AU - F. P. Lyford PY - 1982 DO - 10.3133/wri824015 UR - https://pubs.usgs.gov/publication/wri824015 ID - wri824015 ER -