Mehl, Maurice G. (Maurice Goldsmith), 1887-1966.
Rola, Mo. : State of Missouri, Dept. of Business and Administration, Division of Geological Survey and Water Resources, 1962.
1962
Mehl, Maurice G. (Maurice Goldsmith), 1887-1966.
Rola, Mo. : State of Missouri, Dept. of Business and Administration, Division of Geological Survey and Water Resources, 1962.
1962