By Andrews, R. C., Berkey, C. P., Grabau, A. W., Nichols, J. T., Pope, C. H., Allen, G. M. et al.
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By Le Gros Clark, W.E., Wollard, H. H., Beattie, J. and Elliot-Smith, G., et al.
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By Final Technical Report, P.L. 480 Project No. A7-CR-101 (FG-in-235)
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By Final Technical Report, P.L. 480 Project No. A7-CR-101 (FG-in-235)
SKU# 18906
By Real Estate Institute (editor)
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By American Philosophical Society
SKU# 19259
By Dunn, L. C. (editor)
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By Le, Xuan and Chassain, J. C.
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By Reid, C. Lestock
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