Benjamin Ratzer surveyed Brooklyn for the British in 1766-7. Cartographer Eymund Diegel has overlaid the modern street grid onto Ratzer's map Colors have been added to the map to indicate features such as beaches, wetlands, forests and shorelines....
Bergen Hill once stood tall in Brooklyn, before developers had it carted away for fill to make the Atlantic Docks of Red Hook. Looking at historic maps from 1775, 1837 and 2004 cartographer Eymund Diegel determined that the hill, which was in...
This map looks at alternative siting scenarios for rainwater holding tanks outside of the Gowanus Marsh flood zone as an alternative to the 2013 Superfund Plan Gowanus sewer tank proposal. The map contains community group research (Gowanus Canal...
You can see Red Hook and Gowanus shoreline changes in this illustration of two maps overlaid, the 1766 Ratzer map and one by Eymund Deigel using a 2004 NYC map. Bernard Ratzer was a military surveyor who mapped the Gowanus marshes...
2013 Sandy Flood saline impacted tree survey by Eymund Diegel for the NYC Parks Department Text on map: "Gowanus / Red Hook Flood Impacts: Post Sandy Flood Tree Leaf Out Percentages. Trees impacted by salt water ponding and salt water...
Sandy essentially flooded anyone who built on the former tidal marshes. _ Map Explanation by mapmaker Eymund Diegel: Red lines are the upland Sandy flood lines (minus part the Fort Defiance Island area which is missing dry non flood area during...
