Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing headframes and shaft collars of the Bonanza Mine in Uintah County, Utah
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photos and captions form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing Triassi...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing headfra...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing the Ban...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing a view ...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing old wor...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing gilsoni...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing the mel...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing a view ...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photos and captions form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing Triassi...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing headfra...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing the Ban...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing a view ...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing old wor...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing gilsoni...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing the mel...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing a view ...
Photo and caption form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts a...
Photos and captions form a 1949 University of Utah mining engineering thesis by Irving Craig Roberts...
Photo and caption from a 1934 University of Utah geology thesis by John L. Kemmerer, showing Triassi...