Anorthosite and related rocks along the San Andreas fault, southern California von Crowell, John Chambers 1917-2015, Walker, John W.

The Comité de l'Afrique Française 1890-1895. A French colonial pressure group von Walker, John W.

Introduction to the geology of uranium-bearing veins in the conterminous United States including sections on geographic distribution and classification of veins von Walker, George W., Osterwald, Frank W., Walker, George W.