Description: A US Geological Survey and National Ocean Service map of Goose Island, current to 1981. This orthophotomap shows both topographic and bathymetric features. Topographic and bathymetric contour intervals are shown in meters. Topographic contour lines are shown at 2-meter intervals with supplemental contour intervals at 1 meter. Bathymetric contour intervals are at 1 meter with supplementary 0.5-meter contours. Bathymetric datum is mean lower low water. The map shows man made structures such as primary and secondary roads, bridges, Intracoastal Waterway, residences et cetera. Natural features include reefs, swamps, drylands and wetlands and partially submerged land exposed at mean low tide. The map scale is 1:24,000. This information is not intended for navigational purposes. The National Geodetic Vertical Datum of 1929 is used in this map. The projection used 1927 North American Datum with reference on converting to North American Datum 1983. Key to USGS maps.
Source: USGS and NOAA, National Ocean Survey (Reston, VA: United States Geological Survey, 1981)
Map Credit: Courtesy the U.S. National Oceanic and Atmospheric Administration |
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