sign in sign up
<<
Home , Amistad Reservoir, Cascade Caverns, Caverns of Sonora, Cave Without a Name, Devils River (Texas), Hondo Creek

Cedar Creek NAVARRO HENDERSON HILL BOSQUE BROWN ERATH

281 RUNNELS COLEMAN Y ANDERSON

S HW COMANCHE U MIDLAND GLASSCOCK STERLING COKE River

3 7 7 HAMILTON LIMESTONE 2 Y 16 Y

W FREESTONE US HW W THE HIDDEN HEART OF H H

S S

U Y 87 U Waco Lake Waco McLENNAN San Angelo San Angelo Lake MILLS O.H. Ivie Reservoir UPTON Horseshoe Park at San Felipe Springs. Popular swimming hole providing relief from hot Texas summers. REAGAN CONCHO U S HW Photo courtesy of Gregg Eckhardt.

Y 183 Twin Buttes McCULLOCH CORYELL L IRION Reservoir 190 am US HWY LAMPASAS US HWY 87 pasas R FALLS US HWY 377 Belton U S HW TOM GREEN Lake B Y 67 Brady iver razos R iver LEON Temple ROBERTSON Lampasas Stillhouse BELL SAN SABA Hollow Lake Salado MILAM MADISON Nava

BURNET US HWY 183 US HWY 190 Salado sota River Lake TX HWY 71 TX HWY 29 MASON Buchanan N. San G Springs abriel Couple enjoying the historic mill at Barton Springs in 1902. R Mason Burnet iver Photo courtesy of Center for American History, University of Texas. SCHLEICHER MENARD Y 29 TX HW WILLIAMSON BRAZOS US HWY 83 377 Llano S. S an PECOS Gabriel R US HWY iver Georgetown US HWY 163 Longhorn Cavern Y 79 Sonora LLANO Inner Space Caverns US HW

Eckert Bat US HWY 95 Lake Lyndon Lake Caverns B. Johnson Junction Travis CROCKETT of Sonora BURLESON

281

GILLESPIE BLANCO Y KIMBLE W TRAVIS SUTTON H GRIMES TERRELL S U US HWY 290 US HWY 16 US HWY P Austin edernales R Fredericksburg Barton Springs 21 LEE Somerville iver Johnson Dripping Springs City South Llano River US HWY 290

RR 12 HAYS Bastrop US HWY 55 US HWY 41 KERR Cyp Blanco r ess C VALVERDE Kerrville KENDALL re Wimberley Rocksprings ek US HWY 377 Jacob’s Well BASTROP US HWY 90 95 Brazos Ri US HWY 277 Y US HWY 83 Wonder Cave WASHINGTON WALLER US HW

Colora ver REAL San Marcos River H EDWARDS WY 46 do Ri BANDERA Medina Sa n CALDWELL FAYETTE ver Texas Blind Salamander (Eurycea rathbuni). Endangered species that lives only M Hueco Springs arco in the Southern . Photo courtesy of Edwards Aquifer Authority. Boerne s R Seminole Canyon ive Sabinal River Comal Springs r State Park Bandera Luling Camp Wood Medina New Braunfels Hondo Creek Lake Bracken Bat Cave COLORADOFountain Darters (Etheostoma fonticola). Endangered species that lives only in San Marcos Springs Goodenough UVALDE and Comal Springs. Photo courtesy of Dr. Glenn Longley. Seguin Springs Concan LOOP 1604 Springs GUADALUPE Guadalupe River San Felipe KINNEY Frio Bat Cave San FORT BEND San San Antonio

Springs P A GONZALES n US HWY 90 e US HWY 90 dro C to n Del Rio US HWY 55 io BEXAR Sabinal Brackettville ree Riv Hondo Castroville Las Moras k er LAVACA MEDINA US HWY 77 Springs Uvalde LEGEND Medina River

N ueces R Leona Springs Artesian Zone of the Edwards Aquifer 80

Y ive r DEWITT Recharge Zone of the Northern Edwards Aquifer WILSON US HW MAVERICK US HWY 173 Contributing Zone of the Northern Edwards Aquifer WY 72 VICTORIA US HW US H Guadalupe River R io G Y 16 Recharge Zone of the Barton Springs Edwards Aquifer 83 Y MATAGORDA rande R W Y KARNES 37 JACKSON

S H S HW S

U

U FRIO Contributing Zone of the Barton Springs Edwards Aquifer iver GOLIAD San ZAVALA ATASCOSA A Eagle Pass nton io R Recharge Zone of the Southern Edwards Aquifer iver US H WY 277 Y 85 U S Choke Canyon H Contributing Zone of the Southern Edwards Aquifer US HW Frio River Reservoir W Y 7 7 Carrizo Springs BEE

Springs US HWY 59 CALHOUN DIMMIT LaSALLE McMULLEN REFUGIO The endangered Black-Capped Vireo (Vireo atricapillus) is a small, migratory LIVE Freshwater flows from the Edwards Aquifer sustain many of our most Scale: 1 inch equals approx. 15 miles songbird that nests in Hill Country scrub every spring and summer. Photo © John Ingram. OAK important estuary species, including the endangered Whooping Crane. Photo © John Ingram. 115304560

Postcard showing horse-drawn wagons crossing the , which no longer flows naturally. Water is now pumped out of the Edwards Aquifer to recreate stream flow. Photo courtesy of University of library. XPLORE, ENJOY, PROTECT! GUIDE TO APPRECIATION AND CONSERVATION OF THE Texas Show Caves This eco-tour guide to the Texas has some unusually beautiful and interesting show caves to offer. Several other caves are now open to guided heart of Texas – the Greater “Wild Tours.” Edwards Aquifer Ecosystem – provides an introduction to GREATER EDWARDS AQUIFER ECOSYSTEM Cascade Caverns. Located between San Antonio and Boerne, Cascade Caverns’ tour follows the main 244-m-long the . We passage, which steadily enlarges until ending in a large room highlighted by the historic cave’s namesake – an impressive invite you to explore the region and its many clear running waterfall. www.cascadecaverns.com. streams, scenic vistas, cold springs, show caves and bat caves, big cities and small ranching communities, and Cave Without A Name. Located northeast of Boerne, forested limestone Hill Country to the north and west and the parks and preserves. Along the way we hope you will gain BOSQUE Cave Without A Name has a short trail but is a gently rolling Blackland Prairie and Texas Coastal Plain to the east CONCHO a better understanding of and appreciation for our natural wonderful cave. A staircase spirals down a pit and UPPER COLORADO

© Austin History Center and south. and cultural heritage. LEON opens into a 7-m-high by 12-m-wide passage decorated Baptismal service at Barton Springs, 1925 COWHOUSE with large . The trail ends after 186 m at Over time, the forces of erosion carved what we recognize as the This guide is also a call to action. The heart of Texas is Comal Springs – Emerging in New Braunfels’ historic Landa BRADY LAMPASAS a large stream passage. www.cavewithoutaname.com. flat-top, stair-stepped Hill Country out of the uplifted limestone of under assault from urban sprawl. Unless concerned citizens Park, Comal Springs are the largest in Texas and the south- the . Millions of years of slightly acidic rain perco- COLORADO . Near Sonora off IH-10, Caverns take action, the Hill Country will very soon be lost to land west . Landa Park’s spring-fed pool and the SAN SABA lated down through the faulted and fractured limestone, dissolving of Sonora is internationally recognized as one of the fragmentation and road building, its streams and springs Schlitterbahn water park a short distance downstream on the rock and creating spaces that hold and convey water. These LITTLE most beautiful caves in the world. Its basic layout is a polluted and pumped dry. We invite you to join the Greater the Comal River are enjoyed by hundreds of thousands of spaces range from tiny “honeycomb” pores to large caverns. Many complex 3-dimensional maze formed along a few parallel Edwards Aquifer Alliance and the thousands of concerned Texans every year. or near-parallel fractures. Most of the passages are lined

of the largest of these caves are now open for touring and are listed Bat Conservation International © Merlin D. Tuttle, Texans who are jumping in to save the heart of Texas. San Antonio Springs – Historically the state’s 6th largest, in the box at right. © Edwards Aquifer Authority SAN GABRIEL with sparkling speleothems. www.cavernsofsonora.com. Mexican Freetail bats beginning their night flight from Bracken Bat Cave Andy Grubbs swimming in the Valdina Farms Photo by Allan Cobb LLANO (NORTH) LLANO San Antonio Springs emerge on the campus of Incarnate Inner Space Cavern. In Georgetown off IH-35, Inner Space Cavern is a large, complex cave with many Word College in and flow through The Edwards is known as a karst aquifer, characterized by rapid, A significant portion of the Edwards Aquifer – known as the beautiful formations and interesting displays of Pleistocene-age mammal bones. Visitors enter the . Spanish missionaries located here in 1718; open-channel water flow and by a thin to nonexistent soil cover. artesian zone and shown in green – rests below the surface, covered COLORADO/ PEDERNALES cave on a cable car ride and the trail is smooth and sloping, about 550 m (1,800 ft.) long. www.innerspace.com. GETTING ORIENTED: The Great the City of San Antonio followed. Today, San Antonio is Because of these physical factors, the Texas Commission on by younger geologic formations. These overlying formations protect BARTON/ ONION Springs of the Edwards Aquifer the largest city in North America wholly dependent on Environmental Quality has recognized since 1989 that the the underlying aquifer from pollution at the surface. From the large LLANO (SOUTH) LOWER Longhorn Cavern. Between Burnet and Marble Falls off Hwy 281, Longhorn Cavern has few formations but lovely The Edwards Aquifer is a mysterious maze of underground groundwater, and thus the future of the city depends on Edwards Aquifer is more vulnerable to pollution than any other map you can see that most of San Antonio is built over the artesian COLORADO wall sculpting and large calcite crystals. At different times the cave was a Comanche hideout, a black powder factory, rivers, chutes, and rivulets that provides the essential source sustainable management of the Edwards Aquifer. major aquifer in Texas. zone, allowing the city to drill its municipal wells directly down UPPER GUADALUPE a dance hall, a restaurant, and a church. www.longhorncaverns.com. of life for most of the residents of Central and South Central into the aquifer. But the city is growing rapidly in the vulnerable UPPER San Pedro Springs – Located a short distance north of down- NUECES BLANCO Texas. Most of the Edwards Aquifer is hidden to all but a Nature has divided the aquifer contributing and recharge zones, putting the aquifer, its unique Natural Bridge Caverns. Near New Braunfels off IH-35, Natural Bridge Caverns is the largest Texas and town San Antonio, San Pedro Springs emerge in San Pedro relatively few trained geologists, water engineers and cave into three segments. The wildlife and springs, and the city’s own water supply at risk. one of the most impressive because of its size and beauty. The cave has massive formations, including totem poles, fried Park, the second oldest public park in the United States (next enthusiasts. However, many are familiar with its prolific Northern Edwards Aquifer is eggs, , and a floor. www.naturalbridgecaverns.com. to Boston Commons). San Pedro and San Antonio springs that emerge along the ragged edge of isolated north of the Colorado UNIQUE LIFE AT RISK Springs emerge at relatively high eleva- NUECES MEDINA UPPER Wonder Cave. In San Marcos off IH-35, Wonder Cave is unusual in that it is formed along a fault in the Balcones the Hill Country. River basin, reaching from The contributing and recharge zones of the three Edwards Aquifer HONDO AND SAN Fault Zone. The cave is historic in that it is the smallest and oldest continuously operating of the seven show caves in tions in the Edwards Aquifer and CIBOLO GUADALUPE central Travis County up to segments, combined with the bisecting Colorado River watershed, SECO ANTONIO have suffered drastically FRIO Texas and is now part of the theme park. www.wonderworldpark.com. Known as “Great southern Bell County. The make up most of the Texas Hill Country. This region is blessed reduced flow due to heavy Springs,” these springs Barton Springs segment falls with more than 60 species of plants and animals that live here and Bracken Bat Cave. Just outside San Antonio, off IH-35 near Garden Ridge, Bracken Cave is home to the world’s pumping by cities and nourished native immediately south of the nowhere else in the world. Blind salamanders, catfish, crustaceans, largest bat colony. Each year, some 20 million Mexican Free-tailed bats gather there to give birth and rear their young. farmers in the southern peoples for thou- Colorado, in southwest Travis and other “cave critters” have Their emergence from the cave each evening is one of the most spectacular sights in nature. Edwards region. LOWER sands of years. and northern Hays counties. evolved in isolated habitat ATASCOSA GUADALUPE You can see this breathtaking bat colony by becoming a member with Bat Conservation NUECES Beginning in the Leona Springs – This Except for pumping that supplies © Barton Springs Edwards Aquifer Conservation District “islands” within the aquifer, in LOWER LOWER International. www.batcon.org/discover/bracken.html. Sinkhole in Onion Creek early 1700s, European large group of springs is approximately 50,000 people the dry caves above the water NUECES SAN ANTONIO immigrants settled the source of the Leona with water, almost 90 percent of water flows in this segment emerge table, and at the springs. The Frio Bat Cave. South of Concan, the Frio Bat Cave houses the 2nd largest Mexican around the Great Springs, River and supported the at Barton Springs. The Southern, or San Antonio, segment begins Barton Springs and Austin Free-tailed bat population in Texas. There are 2,000 feet of cave, with an estimated Landa Flour Mills, New Braunfels, Sept. 26, 1916 Rivers utilizing their flows for milling, development of the town of Uvalde. near Buda and is roughly one hundred times larger than the Barton Blind Salamanders live only at 10 million bats. The interpretive tour guide will share his knowledge about bats and the © 2000, Center for American History WATERSHEDS County Lines , fishing, drinking, recreation, Springs segment. It feeds all of the other Great Springs of the Barton Springs, Texas Wild Rice history of the cave dating back to the Civil War. You can watch as hawks and falcons Las Moras Springs – Emerging at Brackettville and religious purposes. In the following 300 years, the Edwards, from San Marcos to Del Rio, and is the sole source of and the San Marcos gambusia in the Edwards Aquifer Region 0 10 20 40 MILES catch bats for their evening meal. www.hillcountryadventures.com/sunset_bat_flight.htm. in Kinney County, these Springs are also known as Fort Clark Great Springs sustained the development of all of the major drinking water for more than 1.5 million people. live only in the San Marcos Springs; they are the 11th largest in Texas and emerge in a cities in central and south . From northeast to River, and the Texas Blind swimming pool shared by the surrounding residents. southwest, the largest of the Great Springs of the Edwards Tracing the path of rainfall as it flows through three distinct zones Salamander is known only from Urge elected representatives to support funding for a large- wherever possible. Learn about safer alternatives for Aquifer are: San Felipe Springs – Fed by the Edwards and other limestone found in each of the three Edwards Aquifer segments, it first falls a few caves that reach into the A PLAN TO SAVE THE HEART OF TEXAS © Robert Edwards, UT Pan American scale expansion of existing parks and preserves to protect the improving soil and reducing pests. formations, Texas’ 4th largest springs provide the water supply in the upstream areas known as the contributing zones or drainage Southern Edwards Aquifer. San Marcos Gambusia (Gambusia georgei) The conservation groups that make up the Greater Edwards Salado Springs – The historic Stagecoach Inn, on the east Aquifer and preserve the rural heritage of the Hill Country. for the City of Del Rio. Emerging just north of Highway 90, area (shaded light purple on the map). There it collects in draws, Aquifer Alliance drafted a consensus action plan for saving the Landscape your lawn with native plants that use less water side of Interstate 35 at Salado, was located just above Ask them to oppose “grandfathering” of projects that will San Felipe Creek flows 24 miles to the Rio Grande. small streams and then larger creeks and rivers, which generally Distinct Hill Country plant communities are characterized by water, wildlife, scenic beauty and cultural heritage of the Edwards and need no chemical additives to thrive. Salado Springs, the 12th largest in Texas. Salado Springs cause pollution or degrade Hill Country habitats. flow to the south and east toward the . When these mixed oak and ashe juniper woodlands, oak savannah and shinnery, Aquifer region. The Edwards Aquifer Protection Plan is based on are the major outflows from the northern segment of the Goodenough Springs – Historically Texas’ 3rd largest, these Don’t bag your leaves and lawn clippings and ship them to waterways cross onto the zone – known as the wildflowers, native grasses and riparian woodlands. Several sound science and sustainable economic development principles. Edwards Aquifer. springs are now covered by Amistad Reservoir on the Rio Vote in the marketplace. Support businesses that support a landfill. Leave them on the lawn or compost them. recharge zone – water plunges down through , caves, and centuries of farming and ranching have altered the landscape, but (A copy of the plan is posted at www.greateredwards.org.) The Grande. Fed by Edwards-associated limestones and other protecting the Edwards Aquifer. Avoid those businesses that Barton Springs – Texas’ capital city was located on the fractures into the porous Edwards formation. Once underground, the ruggedness of the Hill Country has assured that many of the Plan recognizes that absent bold action to reverse current growth Use non-toxic household cleaners and store all household formations, the pressure head from the reservoir has reduced demand taxpayer subsidies to develop in the Aquifer water- banks of the Colorado River in part because of the reliable the water then flows through the aquifer along the major fault native plants and animals have survived. For example, mature patterns and ever increasing consumption and pollution of water, chemicals out of the elements in watertight containers. flow considerably. shed or claim “grandfather” status to avoid compliance with and abundant flows of Barton Springs, the 5th largest in lines toward the Great Springs. oak and ashe juniper woodlands provide nesting habitat for the the Hill Country can be ruined within a few short years. The key Dispose of household chemicals and other hazardous components of the Plan – ambitious but also practical and water and wildlife protection rules. If you are blessed with the state. Located in Austin’s Zilker Park, Barton Springs These Great Springs, and the patterns of settlement which endangered Golden-cheeked Warbler, a small migratory songbird materials properly. necessary – are: personal wealth, consider buying a Hill Country ranch, Pool is open for swimming all year, with free swimming in they engendered, have been shaped by forces more than 100 that is the only species of bird entirely native to Texas. managing it for watershed and wildlife enhancement and Keep vehicles in good repair and under covered parking, winter months. million years old, from a time when the sea covered almost all Direct development downstream. Public investment along the preserving it through a conservation easement. By linking if possible, so fluid leaks don’t wash into area water supplies. of what is now Texas. Over the eons, the calcium carbonate Many of the plants and animals unique to the Hill Country are San Marcos Springs – The San Marcos Springs are the Austin/San Antonio corridor should support development to private “conservation ranching” with expanded public parks shells of marine organisms that lived in this shallow sea listed as “threatened” or “endangered” by the U.S Fish & Wildlife Neuter your pets to help reduce pet overpopulation and 2nd largest in Texas. The begins at the the east and downstream of the Edwards Aquifer recharge zone. and preserves, we can protect the water, wildlife and scenic accumulated hundreds of feet thick, forming the Edwards, Service because they have extremely limited ranges which are dispose of your pet’s waste properly, using a “pooper scooper” springs on the campus of and flows Well-managed, compact growth in less sensitive watersheds is © Barton Springs Edwards Aquifer Conservation District beauty of the Hill Country. Trinity and other associated limestones. The sea made its final being destroyed by rapid urbanization, urban runoff pollution, or “mutt mitt.” through the City of San Marcos park system. The river is both fiscally responsible and environmentally sustainable. of the Edwards Aquifer is to steer urban development to the east retreat 60 million years ago, and terrestrial life forms took over. and/or excessive water withdrawals. The threat of extinction popular for snorkeling, diving, inner tubing, canoeing, Wherever you live you can help conserve water and prevent If you have a septic system, have it inspected and to sensitive fish, salamanders and other species that live in the Purchase parks, watershed preserves and conservation and downstream of the recharge zone. Any development that is kayaking and swimming. pollution by “living lightly on your watershed.” Key elements maintained on a regular schedule. Then, 17 million years ago, the earth shifted, breaking and Edwards Aquifer and its Great Springs is particularly acute. easements. Local, state and federal governments should promptly allowed in the Edwards Aquifer watershed should be required to of living lightly include: Hueco Springs – Hueco Springs, the state’s 7th largest, lifting a large piece of this coastal plain 300 to 1,200 feet up Conservation measures that will sustain these endangered species commit to directing at least $500 million to the purchase of parks, limit impervious cover (roads, parking lots, buildings and any other Conserve your own water use, especially in lawn and flow into the Guadalupe River at the well-known Hueco along what is now called the Balcones Fault zone. This line will assure that the Aquifer and Springs are sustained for human watershed preserves and conservation lands over the Aquifer surface that prevents rainfall from percolating into the ground) Don’t use pesticides, herbicides and chemical fertilizers landscape irrigation. Falls rapid, 3.5 miles upstream of Gruene, the inner-tubing of uplift – beginning north of Waco and arching south and use and enjoyment as well. recharge and contributing zones. By creating a regional system of to no more than 10 or 15 percent of the developable land. Other © John Ingram necessary measures include requiring development setbacks (or capital of Texas. then west to near Del Rio – marks the boundary between the Golden-Cheeked Warbler (Dendroica chrysoparia) parks, preserves and conservation ranches, we can protect the Edwards Aquifer, curb urban sprawl into the Hill Country and “buffers”) from streams and recharge features; prohibiting commer- provide much needed recreation lands for all Texans to enjoy. cial activities that generate or require significant quantities of Greater Edwards Aquifer Alliance hazardous chemicals; and strictly limiting non-native, chemical- This is less than a year of spending on highway construction in the The Greater Edwards Aquifer Alliance is a growing coalition of local and regional organizations working Hill Country region and about one-half of the corporate personal demanding landscaping. cooperatively to implement the Edwards Aquifer Protection Plan. Please contact us at, or send donations property taxes that go uncollected in Texas every year. Florida and Conserve water. Water in the Edwards region is limited. Public to, 530 Donaldson, San Antonio, TX 78201, www.greateredwards.org or contact and support our member California voters have together approved more than $10 billion in and private organizations and individuals need to make water groups directly. recent years for purchase of parks and wildlife refuges, which THE HIDDEN HEART OF TEXAS conservation and reuse (rather than expanded water diversions) AGUA (Aquifer Guardians in Urban Areas) San Marcos River Foundation helped them qualify for large sums of matching federal dollars. a top priority. www.aquiferguardians.org www.sanmarcosriver.org 530 Donaldson, San Antonio, TX 78201 P.O. Box 1393, San Marcos, TX 78667 The hidden heart of Texas – the nowhere else on Earth. We “Not on our aquifer, not with our money.” This has been the (210) 732-7262 (512) 393-3787 commonsense motto of San Antonio citizens who have recognized LEND A HAND Edwards Aquifer Ecosystem – invite you to join with us – Only caring and active citizens can save the Edwards Aquifer and Alamo Group of the Sierra Club Save Our Springs Alliance since the late 1970s that the greatest threat to the Edwards Aquifer provides the essential life source the Greater Edwards Aquifer the Great Springs of Texas. Please demonstrate your support for www.texas.sierraclub.org/alamo www.sosalliance.org was the expenditure of taxpayer funds to support development over P.O. Box 6443, San Antonio, TX 78209 P.O. Box 684881, Austin, TX 78768 for the people and wildlife of the Alliance – to learn the ways of saving the heart of Texas by making a tax-deductible donation to the aquifer recharge and contributing zones. We call for an end to (210) 222-8195 (512) 477-2320 Texas Hill Country, from Salado the heart of Texas and to take the Greater Edwards Aquifer Alliance or to one of the Alliance’s public expenditures and development subsidies of any kind (high- to Del Rio. Prolific, fragile, and action to sustain and preserve member groups. Austin Regional Group of the Sierra Club San Antonio Smart Growth Foundation mysterious, the Aquifer, its the water, wildlife, scenic beauty way expansions, sewer extensions, fee waivers, loan guarantees, tax www.texas.sierraclub.org/austin www.smartgrowthsa.org abatements, creation of utility “designer districts,” etc.) for projects P.O. Box 4581, Austin, TX 78765 P.O. Box 460545, San Antonio, TX 78246 contributing watersheds and its and cultural heritage of the There are many ways you, your family and your friends can help located over or upstream of the Aquifer recharge zones. Hill Country (512) 891-5392 (210) 534-8801 Great Springs supply drinking Edwards Aquifer and the Texas save the heart of Texas. Learning about the Aquifer Ecosystem water for more than 1.5 million Hill Country. roadways should be maintained for safety and scenic beauty. HaysCAN (Hays Community Action Network) Wimberley Valley Watershed Association is an important start. Familiarize yourself with the information www.hayscan.org www.visitwimberley.com/water people, support recreation for Greater Edwards Aquifer Alliance Protect water quality. In 1997, 37 scientists, engineers, planners contained in this brochure map. Visit the Great Springs, take along 14034 Robins Run, Austin, TX 78737 P.O. Box 2534, Wimberley, TX 78676 millions of Texans and tourists 530 Donaldson and other experts endorsed “Protecting the Edwards Aquifer: a mask and snorkel, and explore. Hike and camp (where allowed) (512) 288-4817 (512) 847-1582 alike, and provide habitat for San Antonio, Texas 78201 A Scientific Consensus,” a report documenting overwhelming in the state and local parks. You’ll see first-hand that there are too more than 60 species of plants www.greateredwards.org scientific agreement that the only reliable way to prevent pollution few of them, and that they’re too small. © 2004, Save Our Springs Alliance. Published by the Save Our Springs Alliance on behalf of the Greater Edwards Aquifer Alliance. All rights reserved. Graphic design and animals that live here and $3.00 by Harrison Saunders, maps by Sarah Scott Mitchell and Carl Schmiedeskamp. Special thanks to George P. Mitchell, whose generous support made this map possible. Comal River © Don Anders © Gregg Eckhardt