1. Simulated response of the Sparta aquifer to outcrop area recharge augmentation, southeastern Arkansas Author/Creator: Hays, Phillip D. 1962- (Phillip Dean), author Publication/Creation: Little Rock, Arkansas : U.S. Deptartment of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
2. Sustainable-yield estimation for the Sparta aquifer in Union County, Arkansas Author/Creator: Hays, Phillip D. 1962- (Phillip Dean), author Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
3. Simulated response to pumping stress in the Sparta aquifer of southeastern Arkansas and north-central Louisiana, 1998-2027 Author/Creator: Hays, Phillip D. 1962- (Phillip Dean), author Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading