38511Nantucket, Massachusetts 1/3 arc-second MHW Coastal Digital Elevation Model (ID: boundingGeographicBoundingBox) at E: -69.49, W: -70.67, N: 41.71, S: 40.81#footprint-70.67,40.81 -69.49,40.81 -69.49,41.71 -70.67,41.71 -70.67,40.81