This is a Vector data set. The map projection used is Albers Conical Equal Area. The horizontal datum used is Unknown. The ellipsoid used is Clarke 1866. The semi-major axis of the ellipsoid used is 6378206.4.
Values are numerous.
Values are numerous. This coverage was created to use an an index map of the nautical charts. All nautical charts should be represented. Polygon topology present. To ensure distribution of the most current public information, please refer requests for data or products to the Alaska Department of Natural Resources, Land Records Information Section.