41. Bedrock geologic map of the Nashua south quadrangle, Hillsborough County, New Hampshire and Middlesex County, Massachusetts Author/Creator: Walsh, Gregory J., cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Resource Type: Map Access & Availability: Loading
42. Revised geologic map of the Fort Garland quadrangle, Costilla County, Colorado Author/Creator: Wallace, Alan R. Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Resource Type: Map Edition: Version 1.0, May 2008. Access & Availability: Loading
43. Surficial geologic map of the Ellendale quadrangle, Shelby County, Tennessee Author/Creator: VanArsdale, R. B. Publication/Creation: Reston, VA : U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2004 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
44. Seabed maps showing topography, ruggedness, backscatter intensity, sediment mobility, slope, and the distribution of geologic substrates in quadrangle 6 of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts Author/Creator: Valentine, Page C., cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Resource Type: Map Access & Availability: Loading
45. Geologic map of the Maumee quadrangle, Searchy and Marion counties, Arkansas Author/Creator: Turner, Kenzie J. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Resource Type: Map Access & Availability: Loading
46. Geologic map of Big Bend National Park, Texas Author/Creator: Turner, Kenzie J. Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
47. Geologic map of Big Bend National Park, Texas Author/Creator: Turner, Kenzie J. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
48. Water-level surface in the Chicot equivalent aquifer system in southern Louisiana, 2009 Author/Creator: Tomaszewski, Dan J. Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
49. Water-level surface in the Chicot equivalent aquifer system in southeastern Louisiana, 2009 Author/Creator: Tomaszewski, Dan J. Publication/Creation: [Reston, Va.] : U.S. Dept., of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
50. Concentration of 1,4-dioxane in wells sampled during 2002-2009 in the vicinity of the Tucson International Airport Area Superfund Site, Arizona Author/Creator: Tillman, Fred D. Publication/Creation: [Reston, Va.] : U.S. Dept., of the Interior, U.S. Geological Survey, 2010 Resource Type: Map Access & Availability: Loading