61. Altitude of the potentiometric surface, September 1990, and historic water-level changes in the Memphis aquifer in the Memphis area, Tennessee Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Nashville,TN] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
62. Altitude of the potentiometric surfaces, September 1995, and historical water-level changes in the Memphis and Fort Pillow aquifers in the Memphis area, Tennessee Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Memphis, Tennessee : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
63. Altitude of the top of the Deadwood Formation in the Black Hills area, South Dakota Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, Colo. : For sale by USGS Branch of Information Services Resource Type: Map Access & Availability: Loading
64. Altitude of the top of the Inyan Kara Group in the Black Hills area, South Dakota Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, Colo. : For sale by USGS Branch of Information Services Resource Type: Map Access & Availability: Loading
65. Altitude of the top of the Madison Limestone in the Black Hills area, South Dakota Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, Colo. : For sale by USGS Branch of Information Services Resource Type: Map Access & Availability: Loading
66. Altitude of the top of the Minnekahta Limestone in the Black Hills area, South Dakota Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, Colo. : For sale by USGS Branch of Information Services Resource Type: Map Access & Availability: Loading
67. Altitude of the top of the Minnelusa Formation in the Black Hills area, South Dakota Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, Colo. : For sale by USGS Branch of Information Services Resource Type: Map Access & Availability: Loading
68. Altitude of the water table in the Biscayne aquifer, Broward County, Florida, April 26-29, 1988 Author/Creator: Lietz, A. C. Publication/Creation: [Tallahassee, Fla.] : U.S. Geological Survey, [1992] Resource Type: Map Access & Availability: Loading
69. Altitude of the water table in the surficial aquifer system in St. Lucie and Martin Counties, Florida, May 13-23, 1988 Author/Creator: Kane, Richard L. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey ; Denver, Colo. : Copies can be purchased from Books and Open File Reports, 1992 Resource Type: Map Access & Availability: Loading
70. Altitude of the water table in the surficial aquifer system in St. Lucie and Martin Counties, Florida, October 27-31, 1988 Author/Creator: Kane, Richard L. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey ; Denver, Colo. : Copies can be purchased from Books and Open File Reports, 1992 Resource Type: Map Access & Availability: Loading
71. Altitude of the water table in the surficial aquifer system, shallow zone, in eastern Palm Beach County, Florida, May 1-5, 1989 Author/Creator: Kane, Richard L. Publication/Creation: [Reston, Va.?] : U.S. Geological Survey ; Denver, Colo. : Copies can be purchased from Books and Open File Reports, 1992 Resource Type: Map Access & Availability: Loading
72. Altitude of top of bedrock in the vicinity of Wright-Patterson Air Force Base, Ohio Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Columbus, Ohio : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
73. Annandale quadrangle, Virginia : 7.5 minute series Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2010- Resource Type: Map Access & Availability: Loading
74. Año Nuevo to Santa Cruz, California : a photographic tour of the coastline Author/Creator: Chezar, Henry Publication/Creation: [Denver, CO] : [For sale by the USGS Information Services (Map and Book Sales)]. Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
75. The Aphrodite Terra region of Venus in four map sheets Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by USGS Information Services Resource Type: Map Access & Availability: Loading
76. Approximate location of the 10,000-milligram-per-liter dissolved-solids boundary in the Silurian and Devonian carbonate-rock aquifer, southwestern and northern Indiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading
77. Approximate potentiometric surface for the aquifer unit A2, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
78. Approximate potentiometric surface for the aquifer unit A3, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
79. Approximate potentiometric surface for the aquifer unit A4, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
80. Approximate water-level changes in wells completed in the Chicot and Evangeline aquifers, 1977-91 and 1990-91, and measured compaction, 1973- 90, in the Houston-Galveston region, Texas Author/Creator: Barbie, Dana L. Publication/Creation: [Reston, Va.] : U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading