Using airborne digital imagery for detecting oak wilt disese von Everitt, J.H, Escobar, D.E, Appel, D.N, Riggs, W.G, Davis, M.R

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Sources of volcanic detritus in the basal Chinle Formation, southwestern Laurentia, and implications for the early Mesozoic magmatic arc von Riggs, N. R, Oberling, Z. A, Howell, E. R, Parker, W. G, Barth, A. P, Cecil, M. R, Martz, J. W

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The early Mesozoic Cordilleran arc and Late Triassic paleotopography; the detrital record in Upper Triassic sedimentary successions on and off the Colorado Plateau von Riggs, N. R, Reynolds, S. J, Lindner, P. J, Howell, E. R, Barth, A. P, Parker, W. G, Walker, J. D

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