Limestone is composed primarily of calcium ... which is located more remotely in Texas Hill Country near Concan around an hour-and-half drive from San Antonio. The spring-fed Comal River moseys ...
Located 10 miles north of Concan, Texas, at 234 RR 1050 ... floating past its century-old cypresses and limestone outcroppings. Tubes are available for rent inside Garner State Park at the ...