Miami Valley Mapped History
What used to be here? Thousands of addresses from Green Book listings and Dayton newspaper ads, 1850–1955, placed on today's streets within 15 miles of downtown. Every pin links to the original page. Open the map →
The Despoiler
Made in Dayton, spent in Dayton
The Miami Valley, then and now: what used to be here, and what the land is zoned for today.
What used to be here? Thousands of addresses from Green Book listings and Dayton newspaper ads, 1850–1955, placed on today's streets within 15 miles of downtown. Every pin links to the original page. Open the map →
What is this land zoned for, and what changed since 2015? Search any address within 15 miles of downtown Dayton, see about 32,900 acres whose zoning class changed, and every 2026 local data center ban or moratorium. Open the map →