41. Savannah River, chart of the river mouth to Tybee Creek and Cockspur Island Author/Creator: Lyford, William, 1719-1794 Publication/Creation: [Place of publication not identified] : [publisher not identified], 1773 Format: Map Access & Availability: Loading
42. Saxis quadrangle, Virginia--Maryland : 7.5-minute series Author/Creator: Geological Survey (U.S.) cartographer Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2011- Format: Map Access & Availability: Loading
43. Scenarios for historic San Francisco Bay Region earthquakes Author/Creator: Geological Survey (U.S.) Publication/Creation: Menlo Park, CA : The Survey ; [Denver, CO] : [USGS Information Services (Open-File Reports Sales)], 1998 Format: Map Access & Availability: Loading
44. Sea floor image maps showing topography, sun-Illuminated topography, backscatter intensity, ruggedness, slope, and the distribution of boulder ridges and bedrock outcrops in the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts Author/Creator: Valentine, Page C. Publication/Creation: [Woods Hole, MA] : U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2005 Format: Map Edition: Version 1.0. Access & Availability: Loading
45. Sea floor off San Diego, California Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Dept., of the Interior, U.S. Geological Survey, 2009 Format: Map Access & Availability: Loading
46. Sea floor topography and backscatter intensity of the Hudson Canyon Region offshore of New York and New Jersey Author/Creator: Geological Survey (U.S.) 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: Map Edition: Version 2.0. Access & Availability: Loading
47. Sea floor topography of quadrangle 1 in western Massachusetts Bay offshore of Boston, Massachusetts Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Format: Map Access & Availability: Loading
48. Sea floor topography of quadrangle 2 in western Massachusetts Bay offshore of Boston, Massachusetts Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Format: Map Access & Availability: Loading
49. 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 Format: Map Access & Availability: Loading
50. Seasonal changes in ground-water quality and ground-water levels and directions of ground-water movement in southern Elmore County, southwestern Idaho, including Mountain Home Air Force Base, 1990-1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Boise, Idaho : U.S. Department of the Interior, U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading