[Four images] [1]Gulch mining.--Colorado Gulch. [2] Spanish Arastra.--on Clear Creek. [3]The stamp process--Mr. Sensenderfer's Mill. Shaft or lode mining.--Interior of No. 1, on the Gregory, the Black Hawk Co.'s Mine
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Beinecke Rare Book and Manuscript Library > [Four images] [1]Gulch mining.--Colorado Gulch. [2] Spanish Arastra.--on Clear Creek. [3]The stamp process--Mr. Sensenderfer's Mill. Shaft or lode mining.--Interior of No. 1, on the Gregory, the Black Hawk Co.'s Mine
mining. Written on print: "Christman Greetings 1962 from John & Julia Lipsey" and a stamp indicating their bookstore.