Researching Prototype Material

Use modern Geographic Information Systems (GIS) and extensive historical sources to scene and plan a model railroad based on prototypes.  Also learn about the ICC nationwide railroad valuation maps started in 1916-1918 and projects to digitize and organize these documents.  Utilizing right-of-way drawings with GIS elevation data, historic maps and aerial photos to understand terrain and track arrangements of a railroad to model.  The author uses digital railroad research sources and physical archives, and maintains the website

Presentation as PDF (11MB)

NMRA Cleveland Convention 2014 Clinic Handout

GIS Historic Railroad Projects:

Valuation Map Collections

  • Check State, County, and Township Departments such as Engineer, Recorder, GIS, Economic Development, Map. Some have been scanned and are online.
    Allen County, OH | Belmont County, OH
  • Many railroad historical societies have linens or paper copies in their archives. Often they are being scanned and made available on DVD or via the web.
  • National Archives and Records Administration College Park, MD ICC Records

General Map, Geology and Aerial Photo Collections



Searching for Online Primary Source Documents:

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