Sanborn Digital Maps for Arkansas This link opens in a new windowCovers 1867-1970. The Sanborn Map Company was the primary American publisher of fire insurance maps for nearly 100 years. Sanborn maps are valuable historical tools for urban specialists, social historians, architects, geographers, genealogists, local historians, planners, environmentalists and anyone who wants to learn about the history, growth, and development of American cities, towns, and neighborhoods.