Donald Ross courses in 3D

Each course is built from USGS 3DEP and NOAA lidar, USDA NAIP aerial imagery and OpenStreetMap (Canada: NRCan HRDEM and provincial imagery). Courses tagged auto-mapped have greens, tees and bunkers detected from the aerial photo and lidar because the map lacks them; auto-routed holes means the hole order was inferred. Both are approximations of the real course. Built for the Donald Ross Society. Scorecards come from public sources and may differ from current club cards. Many of these courses are private clubs: share only with the club's permission.