21. Status of water levels and selected water-quality conditions in the Sparta and Memphis aquifers in eastern and south-central Arkansas, 1999 Author/Creator: Joseph, Robert L., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
22. Potentiometric surfaces of aquifers in the Cockfield Formation in southeastern Arkansas and the Wilcox Group in southern and northeastern Arkansas, 2000 Author/Creator: Schrader, Tony P., author Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
23. Status of water levels in aquifers in the Nacatoch Sand of southwestern and northeastern Arkansas and the Tokio Formation of southwestern Arkansas, 1999 Author/Creator: Schrader, Tony P. Publication/Creation: Little Rock, Ark. : U.S. Dept. of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
24. Status of water levels in aquifers in the Nacatoch Sand of southwestern and northeastern Arkansas and the Tokio Formation of southwestern Arkansas, 1999 Author/Creator: Schrader, Tony P. Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
25. Status of water levels and selected water-quality conditions in the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1998 Author/Creator: Joseph, Robert L., author Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
26. Potentiometric surface of the Sparta aquifer in eastern and south-central Arkansas and north-central Louisiana, and the Memphis aquifer in east-central Arkansas, October 1996-July 1997 Author/Creator: Joseph, Robert L., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
27. Potentiometric surface of the Cockfield aquifer in southeastern Arkansas and the Wilcox aquifers in southern and northeastern Arkansas, October 1996-July 1997 Author/Creator: Joseph, Robert L., author Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
28. Status of water levels in aquifers in the Nacatoch sand and Tokio Formation of southwestern Arkansas, 1996 Author/Creator: Schrader, Tony P., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
29. Altitude of the top of the Sparta Sand and Memphis Sand in three areas of Arkansas Author/Creator: Pugh, Aaron L., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
30. 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