This well researched and documented book recounts the unique history of water and water distribution in early San Antonio, Texas. The founding of San Antonio in 1718 was due to the presence of two major sources of water --San Pedro Springs and the headwaters of the San Antonio River. From these Spanish engineers designed seven major acequia systems that followed sometimes barely perceptible land contours downward. The history and remarkable expertise of those early engineers is recounted here. Photographs and maps of early San Antonio and urban San Antonio add to the story. The manuscript was completed shortly before the renown local San Antonio archaeologist died at the age of 70 years.

The first look at the prehistory of Texas by 16 professional archaeologist.

This guide helps you sort out thsi Texas greenery that, in sheer loveliness, is second to none. This descriptive handbook helps you identify the more than 220 trees considered to be native to Texas, plus the 30 speices that have become naturalized.

The Encyclopedia of Caves and Karst Science contains 350 alphabetically arranged entries. The topics include cave and karst geoscience, cave archaeology and human use of caves, art in caves, hydrology and groundwater, cave and karst history, and conservation and management. The Encyclopedia is extensively illustrated with photographs, maps, diagrams, and tables, and has thematic content lists and a comprehensive index to facilitate searching and browsing.