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Surficial geologic map the Newman Peak Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of the...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adjuntas, Administrative watershed units, Administrative watershed units, Aguada, Aguadilla, All tags...
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Geospatial data is comprised of government boundaries.
Tags: Adjuntas, Aguada, Aguadilla, Aguas Buenas, Aibonito, All tags...
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Surficial geologic maps of the Eloy South Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adjuntas, Administrative watershed units, Administrative watershed units, Aguada, Aguadilla, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adjuntas, Administrative watershed units, Administrative watershed units, Aguada, Aguadilla, All tags...
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The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal inter-agency body chartered by public law to maintain uniform feature name usage throughout the Government and to promulgate standard names to the public. The GNIS is the official repository of domestic geographic names data; the official vehicle for geographic names use by all departments of the Federal Government; and the source for applying geographic names to Federal electronic and printed products of all types.
Tags: Adjuntas, Aguada, Aguadilla, Aguas Buenas, Aibonito, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adjuntas, Administrative watershed units, Administrative watershed units, Aibonito, Area of Complex Channels, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Tags: Adjuntas, Administrative watershed units, Administrative watershed units, Aibonito, Area of Complex Channels, All tags...
Many ephemeral streams in western North America flowed over smooth valley floors before transformation from shallow discontinuous channels into deep arroyos. These inherently unstable streams of semiarid regions are sensitive to short-term climatic changes, and to human impacts, because hillslopes supply abundant sediment to infrequent large streamflow events. Discontinuous ephemeral streams appear to be constantly changing as they alternate between two primary modes of operation; either aggradation or degradation may become dominant. Attainment of equilibrium conditions is brief. Disequilibrium is promoted by channel entrenchment that causes the fall of local base level, and by deposition of channel fans that causes...
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Surficial geologic maps of the Eloy North Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of...
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Surficial geologic map of the Picacho Reservoir Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2...


map background search result map search result map USGS National Map Index Names (published 20240120) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 21010004 (published 20231221) FileGDB USGS National Transportation Dataset (NTD) for Puerto Rico (published 20240216) FileGDB USGS 1:125000-scale Quadrangle for Arroyo, CO 1891 USGS National Structures Dataset (NSD) Puerto Rico (published 20240215) FileGDB USGS US Topo 7.5-minute map for Patillas, PR 2013 USGS 1:125000-scale Quadrangle for Arroyo, CO 1893 USGS 1:125000-scale Quadrangle for Arroyo, CO 1893 USGS National Hydrography Dataset Best Resolution (NHD) - Puerto Rico (published 20231227) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 2101 (published 20231213) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) - Puerto Rico (published 20231227) GeoPackage USGS National Transportation Dataset (NTD) for Puerto Rico (published 20240216) GeoPackage USGS National Boundary Dataset (NBD) in Puerto Rico State or Territory (published 20240215) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 21010004 (published 20231221) GeoPackage Surficial Geologic Map of the Picacho Reservoir Quadrangle, Pinal County, Arizona Surficial geologic map of the Newman Peak Quadrangle, Pinal County, Arizona Surficial geologic map of the Eloy North Quadrangle, Pinal County, Arizona Surficial geologic map of the Eloy South Quadrangle, Pinal County, Arizona Geographic Names Information System (GNIS) Full Model for PR (published 20240206) GeoPackage USGS US Topo 7.5-minute map for Patillas, PR 2013 Surficial Geologic Map of the Picacho Reservoir Quadrangle, Pinal County, Arizona Surficial geologic map of the Newman Peak Quadrangle, Pinal County, Arizona Surficial geologic map of the Eloy North Quadrangle, Pinal County, Arizona Surficial geologic map of the Eloy South Quadrangle, Pinal County, Arizona USGS 1:125000-scale Quadrangle for Arroyo, CO 1891 USGS 1:125000-scale Quadrangle for Arroyo, CO 1893 USGS 1:125000-scale Quadrangle for Arroyo, CO 1893 USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 21010004 (published 20231221) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 8 - 21010004 (published 20231221) GeoPackage USGS National Map Index Names (published 20240120) FileGDB USGS National Transportation Dataset (NTD) for Puerto Rico (published 20240216) FileGDB USGS National Structures Dataset (NSD) Puerto Rico (published 20240215) FileGDB USGS National Hydrography Dataset Best Resolution (NHD) - Puerto Rico (published 20231227) Shapefile USGS National Hydrography Dataset Best Resolution (NHD) - Puerto Rico (published 20231227) GeoPackage USGS National Transportation Dataset (NTD) for Puerto Rico (published 20240216) GeoPackage USGS National Boundary Dataset (NBD) in Puerto Rico State or Territory (published 20240215) GeoPackage Geographic Names Information System (GNIS) Full Model for PR (published 20240206) GeoPackage USGS National Hydrography Dataset Best Resolution (NHD) for Hydrological Unit (HU) 4 - 2101 (published 20231213) Shapefile