THEMES - 9 historical periods for 9 miniature golf holes
1. Pre-Humans: Forest and Prehistoric animals
2. Indians (10,000 BC-1750s): Settlement
3. Colonial (late 17thc-late 18thc): Farm
4. Early Industrial (early 19thc): Water-powered mill
5. Late Industrial (late 19thc): Sewer
6. Early 20thc: Lancaster Ave. Development: Shops, Housing, Trolleys
7. 1930s-1960s: Mill Creek sewer cave-ins
8. 1950s-1960s: Urban Renewal: Louis Kahn's Mill Creek Housing Project: superblocks and high-rises
9. 1980s-1990s: Greening of Mill Creek neighborhood: Aspen Farms Community Garden