60611Portland, Maine 1/3 arc-second MHW Coastal Digital Elevation Model (ID: boundingGeographicBoundingBox) at E: -69.63, W: -70.74, N: 43.99, S: 43.00#footprint-70.74,43.00 -69.63,43.00 -69.63,43.99 -70.74,43.99 -70.74,43.00