1. Snow cover distribution as mapped from satellite photography
2. Barnes, J.C. and Bowley, C. J. Satellite photography for snow surveillance in western mountains. Proceedings of the 37th Western Snow Conference. April1969, Salt Lake City, Utah. pp.34–40.
3. Barnes, J.C. and Bowley, C.J. 1974.Handbook of techniques for satellite snow mapping, 95Concord, Massachusetts: Environmental Research and Technology Inc. Document No. 0407‐F