The Journal of San Diego History
Winter 1981, Volume 27, Number 1
Thomas L. Scharf, Managing Editor

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group of mud volcanoes

Page 44-45. A group of mud volcanoes along the southeastern shore of the Salton Sea; subsequently covered by water.

mud volcanoes

Page 47. Impressive mud volcanoes southeast of Cerro Prieto. Note the person wearing a hat just behind the volcano to the right. Circa 1890s.

Map of the Colorado River Delta

Page 49. Map of the Colorado River Delta.

quiescent mud volcano

Page 50. A quiescent mud volcano; Cerro Prieto in the background at left. Circa 1902.

crater of an active mud volcano

Page 54-55. A close-up of the crater of an active mud volcano; Cerro Prieto mud volcano region. Circa 1902.

Mud volcano region

Page 56. Mud volcano region with Cerro Prieto in the background. Circa 1890s.

THE PHOTOGRAPHS on page 50 and 54-55 are from the Sherman Library, Corona Del Mar. The map is by Don Bufkin. All others are from the San Diego Historical Society’s Title Insurance and Trust Collection.