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Figure 1 Copyright © Jos Joslin, National Trails Office
Figure 2 Dr Sandy Smith
Figures 4 and 6 Dr Andy Sutton
Figure 10 National Rivers Authority
Figure 11 Chorley, R.J., Schumm, S.A. and Sugden, D.E.(1984) Geomorphology, Methuen and Co
Figure 12 Graf, W.L/ (1985) The Colorado River, Resource Publications in Geography, Association of American Geographers, Washington, DC
Figure 13 Bernhard Edmaier/Science Photo Library
Figure 14 Copyright © Popperfoto
Figure 17 Photo by Winter and Kidson, courtesy Fairclough Civil Engineering Ltd
Figure 21 © Reuters/Corbis
All other material contained within this course originated at the Open University
This resource was created by the Open University and released in OpenLearn as part of the 'C-change in GEES' project exploring the open licensing of climate change and sustainability resources in the Geography, Earth and Environmental Sciences. The C-change in GEES project was funded by HEFCE as part of the JISC/HE Academy UKOER programme and coordinated by the GEES Subject Centre.
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