A visual representation depicting the geographical boundaries, key features, and notable locations within the states of Indiana and Ohio. This representation frequently includes roadways, waterways, urban centers, and topographical data to provide spatial context.
Such cartographic tools are crucial for navigation, regional planning, economic development, and understanding demographic distribution. Historically, these representations have evolved from rudimentary sketches to sophisticated digital models, reflecting advances in surveying, data collection, and information technology. They facilitate resource management, infrastructure development, and emergency response efforts within the region.