- ree admission. From Marble Falls, west on Hwy. 1431 to CR 126, between Granite Shoals & Kingsland. Group reservations recommended. Scheduled tours available 2nd & 4th Saturdays from 2-5. Archeologists, paleontologists, geologists & other ‘ologists’ interested in preserving our past are encouraged to visit this hill country gem. A favorite among local school and civic groups; guided educational tours are available with advanced reservations. 
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