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Upper Helemano Ditch Tunnel, Hawaii Upper Helemano Ditch Tunnel is a tunnel located in Honolulu County, HI at N21.53750° W158.01139° (NAD83) and at an elevation of 1154 ft MSL. It can be seen on the USGS 1:24K topographic map Haleiwa, HI.
You can view this location or feature in our Topographic Map Viewer now. Note: This 1:24K topographic map could not be automatically processed for inclusion in the TopoQuest Map Viewer. We will need to process it manually... Here are some other places near Upper Helemano Ditch Tunnel that may be of interest:
Note: Coordinates in the location and feature list above are referenced to NAD83 datum. |