Download and Extract BlueTopo Bathymetry with Terra // Discovers, downloads, verifies, and opens bathymetry assets from the National Oceanic and Atmospheric Administration (NOAA) BlueTopo product for user supplied areas of interest. The package keeps source files intact by default, uses 'terra' for spatial data access, supports explicit native-resolution selection policies, and records provenance for reproducible extraction workflows. It accesses the NOAA BlueTopo web service at https://noaa-ocs- nationalbathymetry-pds.s3.amazonaws.com/ and references product documentation at https://nauticalcharts.noaa.gov/data/bluetopo.html.