TY - RPRT TI - Precipitation; ground-water age; ground-water nitrate concentrations, 1995-2002; and ground-water levels, 2002-03 in Eastern Bernalillo County, New Mexico AU - Paul J. Blanchard PY - 2004 DO - 10.3133/sir20045189 UR - https://pubs.usgs.gov/publication/sir20045189 ID - sir20045189 ER -