Read on Mobile Enter Reading Mode Earth and rock excavation. A practical treatise Posted on 4月 7th, 2015 by root T Technology publisher: New York, D. Van Nostrand Company; [etc., etc.]creator: Prelini, CharlesKeyword: Excavation.years: 1905.pages: vi, 357 p.class: TA730download: pdf file SCAN THIS QR CODE WITH YOUR PHONE