C. D. Allen

Practicing physical geography: An actor-network view of physical geography exemplified by the rock art stability index

Christopher L Lukinbeal, C. D. Allen, C. Allen, 2011 .

The Rock Art Stability Index

R. Dorn, C. D. Allen, S. J. Gordon, 2008 .

Equilibrium, Potential and Actual Evaporation from Cropped Surfaces in Southern Ontario

C. D. Allen, J. Davies, C. Allen, 1973 .

Monitoring Environmental Impact in the Upper Sonoran Lifestyle: A New Tool for Rapid Ecological Assessment

C. D. Allen, C. Allen, 2009, Environmental management.