https://pubs.usgs.gov/of/2007/1191/data/h11361/bathy/grids/utm/esrigrid/?C=D;O=A
Index of /pubs/of/2007/1191/data/h11361/bathy/grids/utm/esrigrid
index ofpubs
https://pubs.usgs.gov/of/2007/1191/data/h11361/bathy/grids/utm/esrigrid/?C=M;O=A
Index of /pubs/of/2007/1191/data/h11361/bathy/grids/utm/esrigrid
index ofpubs