TY - RPRT TI - Reef and nonreef aquifers - A comparison of hydrogeology and geochemistry, northwestern Indiana AU - D.J. Schnoebelen AU - N.C. Krothe PY - 2005 DO - 10.1111/j.1745-6584.1999.tb00974.x UR - https://pubs.usgs.gov/publication/70021728 ID - 70021728 ER -