Gold dredging.
Longridge, Cecil Clement, 1852-
Gold dredging. By Captain C. C. Longridge. - 2d and rev. ed. - London, "The Mining Journal," 1907. - xiii, 339, [1] p. illus., plates (part fold.) fold. tables. 25 cm.
Stamped below imprint: D. Van Nostrand company, New York. Cover-title: Gold dredging and mechanical excavators.
gs 08000025
Gold dredging.
TN422 / .L7
Gold dredging. By Captain C. C. Longridge. - 2d and rev. ed. - London, "The Mining Journal," 1907. - xiii, 339, [1] p. illus., plates (part fold.) fold. tables. 25 cm.
Stamped below imprint: D. Van Nostrand company, New York. Cover-title: Gold dredging and mechanical excavators.
gs 08000025
Gold dredging.
TN422 / .L7