Jennifer L. Walter

Structures data collection for the national map using volunteered geographic information

Eric B. Wolf, Barbara S. Poore, Greg D. Matthews, 2012 .

Specification for the U.S. Geological Survey Historical Topographic Map Collection

Jennifer L. Walter, G. J. Allord, K. Fishburn, 2014 .

Standard for the U.S. Geological Survey Historical Topographic Map Collection

Jennifer L. Walter, G. J. Allord, K. Fishburn, 2014 .