Texas Oyster Reefs (Galveston Bay System) (

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Creative Commons Attribution 3.0

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3511
188
Updated
09 May 2010

Oyster reef distribution in the Galveston Bay system. Mapped using pole sampling by Dr. Eric Powell of Texas A&M University for the Galveston Bay Estuary Program.

Source: www.glo.state.tx.us/gisdata/gisdata.html

Layer ID 801
Data type Vector polygon
Feature count 3056
Services Vector Query API

Texas Oyster Reefs (San Antonio Bay System)

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Creative Commons Attribution 3.0

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1774
80
Updated
09 May 2010

Oysters reefs mapped by the TPWD Coastal Fisheries Division in the San Antonio Bay System.

Source: www.glo.state.tx.us/gisdata/gisdata.html

Layer ID 802
Data type Vector polygon
Feature count 195
Services Vector Query API

Texas Coastal Barrier Resource System (1994)

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Creative Commons Attribution 3.0

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842
23
Added
23 May 2009

Undeveloped coastal barrier islands mapped by the U.S. Fish and Wildlife Service.

Undeveloped coastal areas in Texas in the Coastal Barrier Resources System, with other protected areas of barrier islands. Data digitized by Texas General Land Office from U.S. Fish and Wildlife Service hardcopy maps produced pursuant to the Coastal Barrier Improvement Act (P.L. 101-591). Cartographic display at scales of 1:24,000 or smaller. Features do not delineate boundaries between public and private land.

Source: www.glo.state.tx.us/gisdata/gisdata.html

Layer ID 811
Data type Vector polygon
Feature count 68
Services Vector Query API

Ocean off California

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Creative Commons Attribution 3.0

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526
49
Updated
17 Oct 2011

Ocean off California.

Source: www.atlas.ca.gov/download.html

Layer ID 676
Data type Vector multipolygon
Feature count 2
Services Vector Query API

Nevada Lakes, Playas, and Water Bodies (March 2003)

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Creative Commons Attribution 3.0

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445
20
Updated
09 May 2010

Nevada lakes, playas, and other water bodies.

Completeness: Features 98%+ present, about 80% checked, refined, and attributed. All features classified as "major" have been attributed as to name (if any) and type. All features south of about latitude 39°-40°N are finished. North of that, all feature boundaries have yet to be compared and potentially refined against current 1:100,000 DRG topographic maps, a few minor features may remain to be digitized, and most features classified as "minor" remain to be attributed as to name (if any) and type. As of March 2003, over 300 new minor features were added and completed, most from 1:24,000 source maps, to the western 1/3 of Nevada north of 37°N.

Source: heritage.nv.gov/gis/gis.htm#downloads

Layer ID 1088
Data type Vector polygon
Feature count 2007
Services Vector Query API

Texas Shoreline (NOAA)

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Creative Commons Attribution 3.0

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253
39
Added
20 May 2009

Texas Gulf Coast shoreline data provided by the National Oceanic and Atmospheric Administration (NOAA).

Source: www.glo.state.tx.us/gisdata/gisdata.html
wwwdb.glo.state.tx.us/gisdata/disclaimer.cfm?dmap=...

Layer ID 771
Data type Vector linestring
Feature count 3128
Services Vector Query API

Ephemeral and Perennial Streams in Arizona (1993)

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Creative Commons Attribution 3.0

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246
23
Added
16 Jul 2009

Arizona Perennial Waters as described by many specialists in the study of hydrology .

The Department makes no warranties related to the accuracy of the data and users are required to determine suitability of use for any particular purpose. Not for use at scales greater than 1:24000.

Source: atlas.library.arizona.edu/atlas/dataDownloader

Layer ID 1142
Data type Vector linestring
Feature count 87680
Services Vector Query API

Texas Coastal Hydrography (1:24,000)

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Creative Commons Attribution 3.0

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175
22
Added
02 Apr 2009

Hydrographic features of the coastal counties of Texas, including streams, bayous, canals, ditches, lakes, reservoirs, marshes, tidal flats, bays, estuariesand the nearshore Gulf of Mexico. The arcs and polygons were extracted from a number of sources by Texas General Land Office (GLO) personnel, including U.S. Geological Survey and U.S. Fish and Wildlife Service National Wetlands Inventory digital line graphs (DLGs) and U.S. Geological Survey hardcopy maps digitized by the GLO, Jefferson County Appraisal District and other entities.

For cartography/display only.

Originally published 1995 (infrequently updated).

The spatial accuracy and resolution of the source data differ, but the data are suitable for cartographic display at roughly 1:24,000 or smaller.

Source: www.glo.state.tx.us/gisdata/gisdata.html

Layer ID 683
Data type Vector linestring
Feature count 127776
Services Vector Query API

Texas Hard Substrate Reefs (Baffin Bay/Laguna Madre) (1997)

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Creative Commons Attribution 3.0

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156
20
Updated
17 Oct 2011

Locations of hard bottom communities in coastal bays (Baffin Bay and adjacent Laguna Madre only). Digitized from NOAA nautical charts.

This is only a point coverage and does not represent the extents of the rock outcrops and reefs.

Source: www.glo.state.tx.us/gisdata/gisdata.html

Layer ID 815
Data type Vector point
Feature count 423
Services Vector Query API

Colorado Lakes (2009)

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Creative Commons Attribution 3.0

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105
36
Added
20 Jun 2009

Features in this dataset represent areal bodies of water, such as lakes, reservoirs, and wide rivers. Features are represented by polygon geographic shapes.

Source: www.dot.state.co.us/App_DTD_DataAccess/GeoData/ind...

Layer ID 1041
Data type Vector polygon
Feature count 7707
Services Vector Query API
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