1. Potentiometric surface in the Sparta-Memphis aquifer of the Mississippi Embayment, spring 2007 Author/Creator: Schrader, Tony P. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Map Access & Availability: Loading
2. Potentiometric surfaces and water-level trends in the Cockfield and Wilcox aquifers of southern and northeastern Arkansas, 2006 Author/Creator: Schrader, Tony P. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007 Format: Book Access & Availability: Loading
3. Status of water levels and selected water-quality conditions in the Sparta-Memphis aquifer in Arkansas and the status of water levels in the Sparta aquifer in Louisiana, Spring 2005 Author/Creator: Schrader, Tony P. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2007 Format: Book Access & Availability: Loading
4. Status of water levels and selected water-quality conditions in the Sparta-Memphis aquifer in Arkansas, spring-summer 2003 Author/Creator: Schrader, Tony P. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2006 Format: Book Access & Availability: Loading
5. Potentiometric surface of the Ozark aquifer in northern Arkansas, 2004 Author/Creator: Schrader, Tony P. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Format: Book Access & Availability: Loading
6. Status of water levels in aquifers in the Nacatoch Sand of southwestern and northeastern Arkansas and the Tokio Formation of southwestern Arkansas, 2002 Author/Creator: Schrader, Tony P. Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Format: Book Access & Availability: Loading
7. Potentiometric surface of the Ozark aquifer in northern Arkansas, 2001 Author/Creator: Schrader, Tony P. Publication/Creation: Little Rock, Ark. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Format: Book Access & Availability: Loading
8. 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 Format: Book Access & Availability: Loading
9. 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]. Format: Book Access & Availability: Loading