![Item #1385 [Engineers' Report and Two Blueprints for Silver Star Mine, Near Sun Valley, Idaho]. Idaho, Mining.](https://mcbriderarebooks.cdn.bibliopolis.com/pictures/McBRB1385_01.jpg?width=768&height=1000&fit=bounds&auto=webp&v=1658334296)
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[Engineers' Report and Two Blueprints for Silver Star Mine, Near Sun Valley, Idaho]
San Francisco: 1925. 9pp., plus two blueprint maps, each 18 x 39 inches. Light soiling. Minor losses at fold points of blueprints. Very good. Item #1385
A detailed engineering report on assay sampling at the Silver Star Mine in Central Idaho, west of Sun Valley. The typed letter, dated November 16, 1925, reports disappointing results from the initial assay sampling of the mine area to investors in Philadelphia. The two blueprints depict cross sections of the mine where the sampling was taking place. Also present are three small reduced copies of the blueprints.
Price: $150.00