The Rio Cachiri Section in the Sierra de Perija, Venezuela. By R.A. Liddle, G.D. Harris and J.W. Wells
The Geology and Paleontology of the Cuenca, Azogues, Bibliam Region Provinces of Canar and Azuay, Ecuador, by R.A. Liddle and K.V.W. Palmer. July 7, 1941
The Geology and Paleontology of the Cuenca-Azoques Biblian Region, Provinces of Canar and Azuay, Ecuador. By R.A. Liddle and K.V.W. Palmer
The Geology of Venezuela and Trinidad
The Geolgy of Venezuela and Trinidad
The Geology and Paleontology of the Cuenca, Azogues, Biblian Region Provinces of Canar and Azuay, Ecuador
The Rio Cachiri Section in the Sierra de Perija, Venezuela
The Geology and Paleontology of the Cuenca-Azogues-Biblian Region Provinces of Canar and Azuay, Ecuador
The Geology And Mineral Resources Of Medina County, Volume 3, Issue 1860
New Mollusca from the Pleistocene of San Pedro, California
The Geology of Runnels County
The Geology and Mineral Resources of Medina County
Further Notes on the Structure Near Robert Lee, Coke County, Texas
The Geology and Mineral Resources of Medina County
Geology and Mineral Resources of Crockett County with Notes on the Stratigraphy, Structure, and Oil Prospects of the Central Pecos Valley
The Mineral Industry of the British Empire and Foreign Countries
The Van Oil Field, Van Zandt County, Texas
The Geology and Mineral Resources of Medina County, [Texas]
Geology and Mineral Resources of Crockett County