Urban Flooding and Slope Stability in Austin, Texas. V. R. Baker, L. E. Garner, L. J. Turk, and Keith Young, Leaders. Guidebook 1, 31 p., 1973. AGS 001, $7.50

Cretaceous Volcanism in the Austin Area, Texas, by Keith Young, S. C. Caran and T. E. Ewing. Guidebook 4, 66 p., Revised Edition, 1982. AGS 004, $13.00

Geology of the Precambrian Rocks of the Llano Uplift, Central Texas—Field Trip Notes, by J. R. Garrison, Jr. and David Mohr. Includes road log and articles. Guidebook 5, 50 p., 1984. AGS 005, $10.00

Hydrogeology of the Edwards Aquifer-Barton Springs Segment, Travis and Hays Counties. C. M. Woodruff, Jr. and R. M. Slade, Jr., Coordinators. Includes road log and articles. Guidebook 6, 96 p., 1984. AGS 006, $15.00

Edwards Aquifer—Northern Segment, Travis, Williamson, and Bell Counties, Texas. C. M. Woodruff, Jr., Fred Snyder, Laura De La Garza and R. M. Slade, Jr., Coordinators. Includes road log and articles. Guidebook 8, 104 p., 1985. AGS 008, $15.00

The Cityscape—Geology, Construction Materials, and Environment in Austin, Texas. F. R. Snyder, Laura De La Garza and C. M. Woodruff, Jr., Coordinators. Includes road log and articles. Guidebook 9, 78 p., 1986. AGS 009, $12.00

Paleozoic Buildups and Associated Facies, Llano Uplift, Central Texas, by S. C. Ruppel and C. Kerans. Includes road log and articles. Guidebook 10, 33 p., 1987. AGS 010, $10.00

Hydrogeology of the Edwards Aquifer—Northern Balcones and Washita Prairie Segments. J. C. Yelderman, Jr., Coordinator. Includes road log and articles. Guidebook 11, 91 p., 1987. AGS 011, $12.00

Congress Avenue, Austin, Texas—Lessons in Economic Geology, Architecture, and History. C. M. Woodruff, Jr., Coordinator. Includes several articles and street log of Congress Avenue. Guidebook 12, 56 p., 1988. AGS 012, $10.00

Faults and Fractures in the Balcones Fault Zone, Austin Region, Central Texas, E. W. Collins and S. E. Laubach, Coordinators. With an experimental demonstration by B. C. Vendeville and a summary of the regional fracture patterns by W. R. Muehlberger. Includes road log. Guidebook 13, 34 p., 1990; reprinted 2004. AGS 013, $12.00

Water Quality Issues for Barton Creek and Barton Springs, D. A. Johns, Field Trip Leader. Guidebook to field trip containing road log of 8 stops, excerpts from the report of the Barton Springs Task Force to the Texas Water Commission, and 5 articles on Barton Creek and Barton Springs. 95 p., 1991. AGS 014, $15.00

Edwards Aquifer -- Water Quality and Land Development in the Austin, Texas Area, by D. A. Johns and C. M. Woodruff, Jr. Includes 6 articles and a road log to 6 stops in the Austin area. 66 p., 1994. AGS 015, $10.00

Fractures Caused by North-South Compression, Eastern Llano Uplift, Central Texas: A Field Guide, by David Amsbury, Russell Hickerson, and Walter Haenggi. Includes road log and details of 6 stops. 44th Annual GCAGS Convention, 1994, 31 p. AGS 016, $8.00

Zilker Park Walking Tour Guidebook: A Recreational Visit to the Edwards Limestone, by J. L. Walker and P. R. Knox. Includes the geologic setting of the Zilker Park area with a guide to Zilker Park trail (11 stops described) and a guide to the Barton Creek greenbelt (8 stops). Well illustrated. 44th Annual GCAGS Convention, 1994, 48 p. AGS 018, $10.00

A Look at the Hydrostratigraphic Members of the Edwards Aquifer in Travis and Hays Counties, Texas. N. M. Hauwert and J. A. Hanson, Coordinators. 7 articles and a field trip road log that represents an update of research focusing on the Barton Springs segment of the Edwards Aquifer. 81 pages, 1995. AGS 019, $15.00

Urban Karst: Geological Excursions in Travis and Williamson Counties, Texas. C. M. Woodruff, Jr. and C. L. Sherrod. Road log for 1-day field trip with 7 stops. 73 p., 1996. AGS 020, $16.00

The Hill Country Appellation: A Geologic Tour of Selected Vineyards and Wineries of Central Texas. C. M. Woodruff, Jr., P. R. Rose, and J. W. Sansom, Jr. Guidebook 18, 56 p., 1998. AGS GB018, $10.00

Rocks, Resources, and Recollections: A Geologic Tour of the "Forty Acres" The University of Texas at Austin Campus. C. W. Woodruff, Jr., and B. L. Kirkland, coordinators. Guidebook 19, 62 p., 1999. AGS GB019, $12.00

Geology and Historical Mining, Llano Uplift Region, Central Texas. Chris Caran, Mark Helper, and Richard Kyle, Leaders. Guidebook 20, 111 p., 2000. AGS GB020, $15.00

Austin, Texas, and Beyond: Geology and Environment: A Field Excursion in Memory of L. Edwin Garner, C. M. Woodruff, Jr., and E. W. Collins, Trip Coordinators. Guidebook 21, 120 p., 2001. AGS GB021, $15.00

Time, Land, and Barton Creek—An Excursion to Shield Ranch, Travis and Hays Counties, Texas, C. M. Woodruff and Edward W. Collins, Trip Coordinators. Guidebook 22, 71 p., 2003. AGS GB022, $13.00

Lignite, Clay, and Water: The Wilcox Group in Central Texas, Robert E. Mace and Berney Williams, Trip Coordinators. Guidebook 23, 96 p., April 2004. AGS GB023, $10.00

Tectonic History of Southern Laurentia: A Look at Mesoproterozoic, Late-Paleozoic, and Cenozoic Structures in Central Texas, April Hoh and Brian Hunt, Trip Coordinators. Guidebook 24, November 2004, 90 p. AGS GB 24, $18.00

Geology, Frontier History, and Selected Wineries of the Hill Country Appellation, Central Texas, by P. R. Rose and C. M. Woodruff, Jr. Guidebook 25, April 2005, 109 p. AGS GB 25, $15.00

Volcanic Features of the Austin Area, Texas, by S. C. Caran, Todd Housh, and A. J. Cherepon. Guidebook 26, 110 p., 1 CD, Spring 2006. AGS GB 26, $25.00