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Editorial: US Dept. Of Interior, Bureau of Mines, Washington, DC, 1969
- Tapa blanda
Librería: Xochi's Bookstore & Gallery, truth or consequences, NM, Estados Unidos de AmericaXochi's Bookstore & Gallery
Contactar con el vendedorVendedor de 1 estrellasCondición: Usado - Bueno
EUR 31,29
Envío por EUR 4,47Se envía dentro de Estados Unidos de AmericaCantidad disponible: 1 disponible
Añadir al carritoPaper Back. Condición: Very Good. No Jacket. 15pp.; SC staple-bound; green w/blk.; some rub w/edges sunned; ink#,ft.cover; clean,tight pgs. Bureau of Mines Information Circular 8424. "This report presents observations made by Bureau engineers regarding hydraulic-powered roof supports that are currently being used or have been used on nearly all operating longwalls in the United States.".…