Author
Geological Survey (U.S.)
445
North Carolina State Highway and Public Works Commission
202
Champion Map Corporation
117
United States Bureau of Public Roads
113
United States Public Roads Administration
100
North Carolina Department of Public Instruction
93
North Carolina Cooperative Extension Service
62
U.S. Coast and Geodetic Survey
62
North Carolina Department of Agriculture
52
United States Forest Service. Southern Region
52
United States Bureau of Soils
49
North Carolina Department of Transportation
46
North Carolina School Planning
43
Rand McNally and Company
41
East Carolina University Regional Development Services Survey Research Laboratory
38
Map Supply, Inc
31
Nicholas School of the Environment and Earth Sciences (Duke University)
31
North Carolina Center for Nursing
31
North Carolina Geological Survey Section
31
General Drafting Company
28
UNC Sea Grant College Program
28
United States Forest Service
28
American Automobile Association
27
Wilson, Kenneth, 1947-
27
East Carolina University Regional Development Services
26
Keith, Arthur
26
United States Coast Survey
26
North Carolina State Board of Education
25
Cumming, William Patterson, 1900-1989
24
University of North Carolina at Chapel Hill Office of Sports Information
24
North Carolina Department of Natural Resources and Community Development
23
H.M. Gousha Company
22
Overstreet, William C (William Courtney), 1919-
22
University of North Carolina at Chapel Hill
22
Bache, A. D (Alexander Dallas), 1806-1867
21
United States National Park Service
21
United States Soil Conservation Service
21
University of North Carolina Hospitals
21
North Carolina State Highway Commission
20
North Carolina State University
20
Quality Maps, Inc
20
North Carolina Department of Public Instruction. Instructional Services
19
Universal Map (Firm)
19
University of North Carolina (System) Highway Safety Research Center
19
ADC (Firm)
18
North Carolina Division of Mineral Resources
18
University of North Carolina at Greensboro
18
Esso Standard Oil Company
17
North Carolina State Department of Archives and History
17
Zietz, Isidore, 1919-
17
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