Four provinces field trip
Subtitle: Central mineral region; Balcones fault zone; Kerr basin; Rio Grande embayment
By: Leaders: Virgil E. Barnes, Robert Pavlovic [and] Roy T. Hazzard
Contributors: Barnes, Virgil E. (Virgil Everett), 1903-1998
Series: Guidebook, Mar. 16-17, 1956; Guidebook, Mar. 16-17, 1956
Published: 1956
Place of publication: San Angelo]
Language: eng
Number of pages: 153
Subjects: Geology
Notes: Reproduced from typescript.