Coggan, Paul; G. Trant
New Hampshire Office of Energy and Planning
Guyot, Jules; Parc naturel regional du Vercors
Fowler, William R., Jr., editor; Arthur Andrew Demarest, et al.
Stein, Thomas S., compiled by
Friedman, Albert B., and Norman T. Harrington, editors
Carter, Robert Brudenell, F.R.C.S
Meyer, Ernst Christopher
Hawbaker, Gary T, and Clyde L Groff
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