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National Register Building Listings
Publication frequency: Source layer published quarterly; service refreshed daily. NOTE: To ensure the features are up to date, SHPO strongly recommends using the web service... -
Archaeological Buffer Areas
Publication frequency: Source layer published quarterly; service refreshed daily. NOTE: To ensure the features are up to date, SHPO strongly recommends using the web service... -
Building USN Points
Publication frequency: Source layer updated continuously; service refreshed daily. NOTE: To ensure the features are up to date, SHPO strongly recommends using the web service... -
Building District USN Polygons
Publication frequency: Source layer updated continuously; service refreshed daily. NOTE: To ensure the features are up to date, SHPO strongly recommends using the web service...