adl_catalog geocover_landsat_mosaic cia doi10 dem75_us drg_24k_ca doqq_bw_ca doqq_cir_ca doqq_geotiff_ca adl:geographic-locations overlaps 42.6114 40.0617 -69.833 -73.5159 adl:types is-a cartographic works adl:subject-related-text contains-all-words New Haven 250