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	Tha Alterna Page - Image Gallery/Edwards County, Texas
		Edwards is the 247th largest of the 254 counties in Texas, consisting of 2,076 square miles.
		Edwards county is a rural county with a 1990 population density 0.70 residents per square mile.
		Edwards County overlaps a 16 mile section of US 277 north of Loma Alta. Collecting here is very difficult, as the hills are relatively low and unfractured, spaced far apart and set far from the roadway.
	www.kingsnake.com /alterna/ed/edwards.html (733 words)

	The Edwards Plateau Historical Association (Site not responding. Last check: 2007-09-09)
		The Edwards Plateau Historical Association was organized in 1962 for the purpose of discovery, collection, preservation and publication of historical records and data relating to the Edwards Plateau.
		The papers must be researched and documented, and a copy is presented to the Association to be published in the "The Edwards Plateau Historian".
		The Edwards Plateau Historical Association is holding its annual meeting in Harper this year.
	www.rootsweb.com /~txgilles/eph.htm (261 words)

	HA 730-E Edwards-Trinity aquifer system text
		The Edwards aquifer overlies the Trinity aquifer (fig.
		In the Trans-Pecos area (the area west of the Pecos River) and Edwards Plateau area of western and west-central Texas, the Edwards-Trinity aquifer consists of rocks of the Washita, the Fredericksburg, and the Trinity Stages, and the Coahuilan Series (fig.
		The area underlain by the Edwards aquifer is a combination of agricultural and ranch land and areas of dense population, including the cities of Austin in Travis County and San Antonio in Bexar County.
	capp.water.usgs.gov /gwa/ch_e/E-text8.html (6351 words)

	TPWD:Edwards Plateau
		The Edwards Plateau Ecological Region of Texas extends in the southwestern regions of Northcentral Texas and includes portions of Concho, Tom Green, Irion, Sterling, Glasscock, Reagan, and Irion counties and an separate area to the north in Coke, Taylor, and Nolan counties.
		The Edwards Plateau is an uplifted and elevated region originally formed from marine deposits of sandstone, limestone, shales, and dolomites 100 million years ago during the Cretaceous Period when this region was covered by an ocean.
		When the Edward Plateau region was settled by European man in the mid-1800s, it was maintained as a grassland savannah largely by grazing habits of bison and antelope as well as by frequent natural and man-made fires.
	www.tpwd.state.tx.us /landwater/land/habitats/cross_timbers/ecoregions/edwards_plateau.phtml (512 words)

	"PLANT COMMUNITIES OF THE EDWARDS PLATEAU OF TEXAS"
		To the east of the chalky, relatively steep Plateau margins is the Blackland Prairie.
		Proceedings of the Symposium-Floristics and Vegetation of the Edwards Plateau.
		Proceedings of the Symposium--Floristics and Vegetation of the Edwards Plateau.
	www.lib.utexas.edu /geo/balcones_escarpment/pages21-32.html (6937 words)

	Introduction to the Edwards Aquifer
		The Edwards Aquifer is an underground layer of porous, honeycombed, water-bearing rock that is between 300-700 feet thick.
		The San Antonio segment of the Aquifer extends in a 160 mile arch-shaped curve from Brackettville in the west to near Kyle in the northeast, and is between five and 40 miles wide at the surface.
		Today, the Edwards Plateau bears little resemblance to the prairies the pioneers to the area saw, but it is home to several endangered species and is itself the subject of increasing environmental concerns.
	www.edwardsaquifer.net /intro.html (2496 words)

	4. LGT-Environmental Impact Case Studies
		The Edwards Plateau is characterized as a deeply dissected hilly, stony plain.
		The Edwards Plateau, by virtue of the severe limitations of soils and topography on the vast majority of the land area, will continue to be used appropriately as rangeland for the purpose of converting a high quality, diverse vegetation into meat and hair products.
		The Edwards Plateau is also the recharge zone of fractured limestone for the Edwards aquifer that is of major importance to the city of San Antonio and surrounding municipalities as well as irrigated farmers in the area.
	www.fao.org /WAIRDOCS/LEAD/X6118E/x6118e05.htm (6115 words)

	NPAT Terms - Region 7 (Site not responding. Last check: 2007-09-09)
		The Edwards Plateau region comprises an area of West Central Texas commonly known as the "hill country." It is bounded on the east and south by the Balcones Fault.
		The Plateau is a region of high endemism, such as netleaf forestiera (Forestiera reticulata), plateau milkvine (Matelea edwardsensis), basin bellflower (Campanula Reverchonii), Lindheimer crownbeard (Verbesina Lindheineri), Lythrum ovalifolium, Tridens Buckleyanus, twisted-leaf yucca (Yucca rupicola), sotol (Dasylirion heteracanthium), bracted twist-flower (Streptanthus bracteatus) and cliff bedstraw (Galium Correllii) (Correll and Johnson).
		In contrast to the clays and clay loams of the Edwards Plateau, sandy soils predominate on the Llano Uplift.
	www.texasprairie.org /terms/7.htm (435 words)

	USGS - NAWQA - Water Quality in South-Central Texas - Introduction
		The outcrop of the Edwards aquifer essentially is the recharge zone; the subcrop essentially is the confined zone.
		The watersheds of major streams in the Edwards Plateau that recharge the Edwards aquifer were largely undeveloped rangeland in the late 1990s—but that is changing.
		Edwards, Bandera, and Kendall Counties were among the top 10 statewide and the top 50 nationally in percentage of population increase during 1990—98.
	pubs.usgs.gov /circ/circ1212/introduction.htm (1194 words)

	Table of Contents and Excerpt, Wade, The Native Americans of the Texas Edwards Plateau, 1582-1799
		It is beyond the scope of this work to identify all the groups that lived in the Edwards Plateau after the onset of the eighteenth century.
		The physiographic region of the Edwards Plateau is a section of the Great Plains Physiographic Province as defined by Carr (1967).
		The historical connections between the Plateau and the regions to the north and southwest are clearly confirmed by the fact that those were the entry points of the early Spanish colonial expeditions.
	www.utexas.edu /utpress/excerpts/exwadnat.html (4200 words)

	Handbook of Texas Online: EDWARDS PLATEAU
		The Edwards Plateau, in South Central Texas east of the Pecos River and west of the Colorado, is the southernmost unit of the Great Plains.
		By and large, however, the Edwards Plateau is erosional with the margins of the region frayed rather deeply so that the plateau as a whole is perceptibly higher than adjacent areas.
		Limited farming is carried on in the deeper soil areas along the broader valleys in the northeast quarter of the Edwards Plateau, as well as in the fl-earth soil district on a remnantal summit area in the vicinity of Eldorado.
	www.tsha.utexas.edu /handbook/online/articles/EE/rxe1.html (669 words)

	Hydrogeology of the Edwards Aquifer
		precipitate that became the Edwards limestone was deposited on the seafloor, the area that is now the Gulf of Mexico was high and mountainous and an ancient sea came in from the northwest.
		The Edwards limestone is between 300-700 feet thick, outcrops at the surface in a narrow band, is tilted downward toward the south and east, and is overlain by younger limestone layers and thousands of feet of sediments.
		The Edwards limestone is divided by faults into units, and some of the faults have caused enough lateral displacement so that the Edwards limestones are not connected.
	www.edwardsaquifer.net /geology.html (4443 words)

	CPD: North America, Site NA32, Edwards Plateau, Texas, U.S.A.
		The Edwards Plateau, lying east of the continental divide, is a plateau sloping gently eastward, dropping on average about 180 cm per km, but steeper at the western margin.
		At the north-western margin of the Edwards Plateau, the vegetation grades into that of the "mesquite-tobosa country" of the Rolling Plains, also a short-grass savanna with mesquite (Prosopis glandulosa) dotting the short tobosa grass (Hilaria mutica) which forms vast almost mono-specific stands on flatlands with slow run-off.
		The Edwards Plateau serves as an important watershed and ground-water recharge zone for several of the most important cities of the region (Waco, Temple, Belton, Georgetown, Austin, San Marcos, New Braunfels, San Antonio, Uvalde, Del Rio), lined up along its eastern and southern margins where rivers disgorge onto the coastal plain.
	www.nmnh.si.edu /botany/projects/cpd/na/na32.htm (3131 words)

	Kincaid Shelter
		Within the plateau, the river is deeply entrenched in Cretaceous limestones of the Glen Rose, Comanche Peak, and Edwards formations.
		This terrace deposit is equivalent to the second terrace that occurs in the upper Sabinal River valley of the Edwards Plateau.
		A prickly pear cactus, heavy with bright fruits known as tuna, is a common sight in the fall on the Edwards Plateau and on the Gulf Coastal Plain.
	www.texasbeyondhistory.net /kincaid/env.html (1514 words)

	SECTION VIII (Site not responding. Last check: 2007-09-09)
		Kendall County topography is thus dominated by the watershed landforms that characteristically crosscut the upper Balcones Escarpment.
		Kendall County, outlined in bold dark red, is situated within the transition between the brown-colored highlands of the Edwards Plateau, and the green-colored lowland coastal plains to the south.
		It sharply delineates the Edwards Plateau – Coastal Plain transition zone, and is intricately dissected by network of streams.
	www.cibolo.org /parks/plan02.htm (392 words)

	Edwards Plateau, Physiographic Area 53 - Executive Summary
		The central and western portions of the plateau are characterized by broad, relatively level uplands moderately dissected by gently sloping stream divides.
		The Edwards Plateau was originally a grassy savannah with the most common trees being mesquite, juniper, and live oaks.
		Periodic, naturally-occurring fire was a major ecological force in the western plateau that maintained live oak savannahs and produced a mosaic of habitats across broad landscapes.
	www.blm.gov /wildlife/pl_53sum.htm (363 words)

	[No title]
		Wild turkeys were trapped and fitted with mortality-sensitive radio transmitters on 4 study areas; 2 within a region of stable (northern Edwards Plateau) populations, and 2 within a region of declining populations.
		The Edwards Plateau is the region that supplies water for the Edwards aquifer located under the San Antonio area.
		The Edwards aquifer is an absolutely enormous series of underground caverns filled with fresh water that drains from the hill country, through the limestone in the Edwards aquifer recharge zone, into these underground caverns.
	www.lycos.com /info/edwards-plateau.html (475 words)

	Edwards County Memories
		Edwards County was formed from the old Bexar land district in 1858.
		The courthouse survived a fire in 1898 and a tornado that destroyed the town in 1927.
		In 1913, the eastern section of Edwards County became part of the newly formed Real County, decreasing Edwards County to its present size.
	www.geocities.com /rkubacka/edwards/index.html (378 words)

	Geomorphology: Chapter 4 Plate F-1
		The Edwards Plateau consists of flat-lying Cretaceous carbonate and shale units at elevations of 600 to 900 m, which blanket much of south-central Texas.
		The streams of the plateau include ephemeral varieties such as the Dry Devils River (left in Figure F-1.2) and perennial channels such as the lower Devils River (right in Figure F-1.2), Flow in the latter is maintained by ground-water discharge from the limestone.
		The flat-lying rocks of the Edwards Plateau are dissected in overall dendritic patterns.
	daac.gsfc.nasa.gov /geomorphology/GEO_4/GEO_PLATE_F-1.shtml (796 words)

	Terrestrial Ecoregions -- Edwards Plateau savanna (NA0806)
		The Edwards Plateau Savannas form an important part of the Texas Hill country, a moderately-sized ecoregion separated from adjacent units by a distinct soil type (mollisols) and a vegetation type distinguished by juniper-oak savanna and mesquite-Acacia savanna underlain by mid- to short grasslands (Küchler 1964).
		In other aspects, the Edwards Plateau Savannas is an ecoregion that is intermediate among the dry grassland and savanna ecoregions in terms of rainfall, temperature, and length of growing season.
		The southern and western portions of the Edwards Plateau are heavily altered by major encroachment of shrubs as a result of fire suppression.
	www.worldwildlife.org /wildworld/profiles/terrestrial/na/na0806_full.html (806 words)

	About the Edwards Aquifer (Site not responding. Last check: 2007-09-09)
		The Edwards aquifer and its catchment area in the San Antonio region is about 8,000 square miles and includes all or part of 13 counties in south-central Texas.
		The recharge and artesian areas of the Edwards aquifer underlie the six counties south and east of the Balconces fault escarpment.
		In the San Antonio region, the Edwards limestone attains a thickness of approximately 450 to 500 feet.
	www.saws.org /our_water/aquifer/aboutaquifer.shtml (268 words)

	Edwards Plateau (Site not responding. Last check: 2007-09-09)
		The Edwards Plateau is a region of west-central Texas which is bounded by the Balcones Fault to the south and east, the Llano Uplift and the plains region to the north, and the Pecos River to the west.
		It consists primarily of limestone, with elevations ranging between 100 ft. and 3000 ft. The Plateau lacks any deep soil suitable for agriculture and is primarily a grazing region.
		Several rivers cross the region, which generally flow to the south and east through the Texas Hill Country toward the Gulf of Mexico; however, permanent surface water supplies are sparse throughout the area.
	edwards-plateau.iqnaut.net (119 words)

	SOS Alliance: Protecting Barton Springs, the Edwards Aquifer, and its Hill Country watershed. (Site not responding. Last check: 2007-09-09)
		The Edwards Aquifer produces the most prolific springs in Texas and is the home of over 60 species that are endemic to the Edwards Aquifer eco-system and live no where else in the world.
		As the seas receded, the limestone platform was exposed to the air and elements, and extensive erosion occurred and layers of limestone that may have been as thick as 2000 feet were eroded away.
		For example, Barton Springs in Austin is also an Edwards water feature, but because of the groundwater divide near Kyle, waters in that portion of the Aquifer do not mix with waters in the San Antonio segment, where most of the use takes place.
	www.sosalliance.org /geology.shtml (1475 words)

	Chapter 37-Ecological Subregions of the United States
		The Canadian River, in north Texas, is deeply incised into the Great Plains plateau and has developed a broad area (up to 50 mi wide) of complex topography locally known as "The Breaks." Playa lakes are common in the western part of this Section.
		Chromusterts are on outwash plains and broad plateaus.
		All generally have a low volume of water flowing at low velocity, except along the plateau escarpment, where flow rates can be high.
	www.fs.fed.us /land/pubs/ecoregions/ch37.html (2928 words)

	THE RE-ESTABLISHMENT OF THE COYOTE IN THE EDWARDS PLATEAU OF TEXAS
		By the 1920s, many of the inner Edwards Plateau counties were considered to be almost free of coyotes and wolves In the 1950s coyotes and wolves were extirpated from most of the Edwards Plateau.
		The Edwards Plateau and, to a lesser extent, portions of other adjoining ecological areas presently (1995) account for 19% (1.7 million head) of the sheep and 90% (1.95 million head) of the goats in the United States (USDA 1995) (Fig.
		The range expansion of coyotes within the Edwards Plateau is directly related to the presence, viability, and geographical distribution of the sheep and goat industry.
	texnat.tamu.edu /symposia/coyote/p12.htm (2134 words)

	Edwards Aquifer Authority Photo Gallery (Site not responding. Last check: 2007-09-09)
		The area north and west of the aquifer is called the Edwards Plateau, and is bounded by the Texas Hill Country along its southern and eastern edge.
		This area is also called the contributing zone or drainage area in which water flows to the south and east across the recharge zone of the Edwards Aquifer.
		This area is also where the headwaters for numerous rivers in the region begin, including the Nueces, Frio, Blanco, Medina, and Guadalupe rivers.
	www.edwardsaquifer.org /gallery/pages/DrainageArea1.htm (97 words)

	Edwards Plateau ecology: references & links
		Environmental heterogeneity, fungal parasitism and the demography of the grass Stipa leucotricha.
		Rarity of oak saplings in savannas and woodlands of the eastern Edwards Plateau.
		Woody vegetation of the southeastern escarpment and plateau.
	www.sbs.utexas.edu /fowler/epveg/eprefs.htm (1871 words)

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