The region / Philip L. Jackson & A. Jon Kimerling
Historical geography / Mary Lee Nolan
Population / Gordon E. Matske
Transportation / Ray M. Northam
Land use and ownership / James R. Pease
Landforms and geology / Charles L. Rosenfeld
Climate / Philip L. Jackson
Vegetation / Robert E. Frenkel
Water resources / Keith W. Muckleston
Energy resources and distribution / Steven R. Kale
Agriculture / Philip L. Jackson
Commercial timberland resources / J. Granville Jensen
Ocean resources / James W. Good
Minerals and mining / Cyrus W. Field
Manufacturing and industries / William B. Beyers
Recreation resources and tourism / Mary Lee Nolan
Hunting and fishing / Gordon E. Matske.
From the Reference - 9th ed.
The region / Philip L. Jackson
Cultural-historical geography / Robert Kuhlken
Population / Robert D. Thompson, Jr.
Transportaton / Steven R. Kale
Landforms and geology / Charles L. Rosenfeld
Land use / Philip L. Jackson
Climate / Philip L. Jackson
Vegetation / Robert E. Frenkel
Agriculture / Philip L. Jackson
Forest resources, ownership, and harvest
Water resources / Keith W. Muckleston
Energy resources and distribution / Steven R. Kale and Alex Sifford
Ocean resources / James W. Good
Minerals and mining / Peter Wampler
Manufacturing and service industries / William B. Beyers
Outdoor recreation resources and tourism / Ann L. Root
Hunting and fishing / Gordon E. Matzke.
