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Map showing area sewers and watershed boundaries.
1997-02-20
Map showing the changes in hydraulic head at wells throughout the Las Vegas Valley from February 1955 to February 1956.

Index map showing locations of geologic sections on plate 2 and wells on plates 2 and 3, Las Vegas Valley, Nevada.
1981-11-01
Map showing the composition of the Las Vegas Valley at various depths.
1981-11-01
Map showing land ownership and mineral rights for the larger Lake Mead area.
1981-11-01
Map showing possible industrial users connections to railroad pipelines

Map of geological survey of area between Lake Mead and Davis Dam.
1963-11-01
Map showing the approximate distribution of deep-rooted plants in the Las Vegas Valley in 1952.
2024-11-01
Map showing the probable boundaries of the different zones of water producing zones, areas of ground-water discharge, and areas of potential ground-water recharge.
1985-11-01
Map showing the distribution, types, and densities of deep-rooted plants in the Las Vegas Valley in 1955.
2024-11-01
Map showing soils in the Las Vegas area designated as badly corrosive, mildly corrosive, or non-corrosive. Soil was surveyed to measure its effect on water pipes.
1948-09-02
Aerial view of Basic Magnesium Inc. plant site looking north towards Whitney Mesa
1941-11-10
View of construction of the Basic Magnesium Inc. plant from the air looking east.
1941-12-01
Air view looking north showing the Basic Magnesium Inc. plant site temporary administration building, temporary water tanks and railroad siding.
1941-10-08
Air view showing Basic Magnesium Inc. plant site excavation with the administration building in foreground, looking southeast to Railroad Pass.
1941-10-29
Aerial view looking east showing the Basic Magnesium Inc. plant site shortly after excavation began.
1941-10-08
Aerial view of temporary camp for Basic Magnesium Inc. construction workers looking northeast towards Frenchman Mountain.
1941-12-08
Air view looking northeast showing Lake Mead in the distance, the Basic Magnesium Inc. plant site area, and temporary boarding camp area in the right center.
1941-12-08
Aerial view looking east that shows the temporary rail siding and water storage tanks south of the Basic Magnesium Inc. site.
1941-10-08
Nevada exhibits of the AZ v. CA case before the U. S. Supreme Court. The exhibits include topographic maps, photomaps, excerpts from correspondence and other published documents, and charts.
1958-05-06
Detailed 76 page report with charts, tables and calculations on the water situation in the Las Vegas Valley.
1949-10-01
Agreement between the Las Vegas Valley Water District and Basic Management Inc. for the delivery of water from Lake Mead.
2024-11-01
Aerial view of the Basic Magnesium plant looking west over the Las Vegas Valley towards the Spring Mountains.
1942-03-31
Early aerial view of Henderson, Nevada looking northwest over the Basic Magnesium plant and Whitney Mesa, showing demountable houses in various stages of construction..
1942-03-31
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