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1. Reconnaissance geologic map of Alum Mountain thirty-minute quadrangle

Willard, Max Emery, 1914-. New Mexico Bureau of Mines and Mineral Resources,.

2. Reconnaissance geologic map of Cañon Largo thirty-minute quadrangle

Willard, Max Emery, 1914-. New Mexico Bureau of Mines and Mineral Resources,.

3. Reconnaissance geologic map of Datil thirty-minute quadrangle

Willard, Max Emery, 1914-. New Mexico Bureau of Mines and Mineral Resources,.