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6 |
Anderson, B.W. Gem Testing
London Heywood & Company, Ltd. 1951 Hard Cover Very Good No Jacket
A clean, unmarked copy with a tight binding. 268 pages. Blue cloth boards with gilt lettering.
Price:
8.95 USD
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11 |
Bacon, Cam Gem Trails of British Columbia
Blaine, Washington, U.S.A. Hancock House Pub Ltd 2002 0888394985 / 9780888394989 Trade Paperback Very Good
Ex-library copy with the usual stamps and markings. 96 pages. This publication has been produced to provide rockhounds with a partial list of known mineral and fossil locations. Includes maps.
Price:
65.00 USD
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12 |
Beales, Pattie (ed.) A Guide to Mineral Deposits of the Northwest Territories
Minerals, Oil and Gas Division Department of Resources, Wildlife and Economic Development, Government of the Northwest Territories 2003 Spiral Bound Fine
190 pages in four sections: Gold properties, Silver and base metal properties, Tungstyen, uranium and rare earth elements & Diamond properties with five appendices, list of maps & index. Each listing shows location, deposit type, access, history, geology, results of previous mining & references.
Price:
34.95 USD
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14 |
Berkhout, A. J. Seismic Migration: Imaging of Acoustic Energy by Wave Field Extrapolation
N Y. Elsevier Scientific Pub Co 1980 0444419047 / 9780444419040 Hard Cover Near Fine No Jacket
A clean, unmarked copy with a tight binding. 339 pages. Bright, attractive red, green and white printed cover. Contents: Preface; Introduction; Basic Results from Vector Analysis; Discrete Spectral Analysis; Two Dimensional Fourier Transforms; Wave Theory; Wave Field Extrapolation: The Forward Problem; Modeling by Wave Field Extrapolation; Wave Field Extrapolation: The Inverse Problem; Migration in the Wavenumber-Frequency Domain; Summation Approach to Migration; Finite-Difference Approach to Migration; Comparison Between the Different Approaches to Migration; Limits of Lateral Resolution; Subject Index; Appendices.
Price:
49.00 USD
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15 |
Bige, Zsolt;British Columbia Ground Skidding Guidelines: With Emphasis on Minimizing Site Disturbance
The Ministry of Forests and Lands, B.C. 1987 0771885814 / 9780771885815 Ex Library Trade Paperback Very Good
Ex-library copy with the usual stamps and markings. Interior pages clean and unmarked; tight binding. 58 pages, lots of illustrations/diagrams, topo maps, b&w photos, tables, charts, with 5 appendices. Chapters are: Soil disturbance in ground skidding, with subsections: Soil compaction, shear and tear, erostion & Planning layout and construction guidelines, with subsections Haul road location and design guidelines, Haul road construction guidelines, Haul road maintenance guidelines, Ground skidding: constraints and system descriptions: landing layout, skid rd. layout, skid rd. patterns, roadside logging, winter logging, construction and maintenance of skid roads and landing,s site rehabilitation. Appendices include: Forest rd. cross section, skid rd. cross section, equipment selection, calculation of site disturbance, estimating soil textur in the field
Price:
67.95 USD
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16 |
Blackman, Lionel Cyril Francis Modern Aspects of Graphite Technology
London Academic Press 1970 0121033503 / 9780121033507 Hard Cover Very Good Very Good
Ex-library copy with the usual stamps and markings. Interior pages clean and unmarked; tight binding. 320 pages. Contents: I. Polycrystalline Carbon and Graphite, J.M. Hutcheon; II. Manufacturing Technology of Baked and Graphitized Carbon Bodies; J.M. Hutcheon; III. Electron Transport in Graphites and Carbons; G.A. Saunders; IV. Thermal Gas Reactions of Graphite; J.B. Lewis; V. Mechanical Properties; H.H.W. Losty; VI. Friction and Wear; D.V. Badami and P.K.C. Wiggs; VII. Industrial Applications of Carbon and Graphite; A.R. Ford and E. Greenhalgh; Author Index; Subject Index.
Price:
65.00 USD
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20 |
Brice, William Charles The Environmental History of the Near and Middle East since the Last Ice Age
Academic Press 1978 0121338509 / 9780121338503 Ex Libris, 2nd. Ed. Hard Cover Very Good Very Good
Ex-library copy with the usual stamps and markings. Interior pages unmarked. 384 pages. From the blurb: "The influence of natural conditions on the numbers, size, movements and attainments of human groups has been especially evident at those places and times when these conditions have been markedly changing. The landscapes between the Mediterranean and the valley of the Indus have undergone many alterations since the climax of the last Ice Age, some 20,000 years ago; lakes have filled and dried out, rivers have shifted their courses and spread into deltas, lowlands have been flooded and deserts created, forests have receded and advanced. These changes, which manifestly affected the inhabitants and their ways of life, are of particular historical moment as they coincided with crucial early experiments in the arts of agriculture and domestication, of irrigation, architecture, metallurgy, commerce, and the building of cities. This is a collection of recent observations on the nature and extent of these changes of environment, by scholars from eight countries and several disciplines."
Price:
139.00 USD
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