en.wikipedia.org/wiki/World_map

... projection adopted by the National Geographic Society for reference maps. A world map is a map of most or all of the surface of the Earth. World maps form a distinctive ... structures. Choropleth maps use color hue and intensity to contrast differences between regions, such as demographic or economic statistics.

www.census.gov/geo/maps-data/maps/reference.html

Aug 8, 2018 ... Reference maps available from the Census Bureau that show the location of boundaries in relation to other features or boundaries.

www.census.gov/geographies/reference-maps/2018/geo/bas/2018-bas-maps.html

Dec 27, 2017 ... The 2018 BAS Maps display legal boundaries and names effective as of January 1, 2017. The BAS maps include updates submitted through ...

www.census.gov/geographies/reference-maps.html

Reference maps show the boundaries and names of geographic areas for which the Census Bureau tabulates statistical data, but do not visualize the data.

www.cia.gov/library/publications/the-world-factbook/docs/refmaps.html

references :: Regional and World Maps. Note: Links Open in a new window. Opens in New Window Get Adobe Reader. MAPS at CIA AVAILABLE CIA MAPS  ...

www.ncdc.noaa.gov/monitoring-references/maps/us-climate-regions.php

Through climate analysis, National Centers for Environmental Information scientists have identified nine climatically consistent regions within the contiguous ...

reliefweb.int/map/world/asia-pacific-regional-reference-map-ocha-regional-office-asia-pacific-countries-and

Apr 19, 2017 ... English Map on World and 28 other countries about Coordination; published on 19 Apr 2017 by OCHA.

reliefweb.int/map/world/asia-pacific-regional-reference-map-population-density

Jul 21, 2015 ... English Map on World and 44 other countries; published on 21 Jul 2015 by OCHA.

www.boem.gov/Maps-and-GIS-Data

Map reference for MarineCadastre.gov ... BOEM Map Gallery — Direct links to a selection of national, regional, local and special purpose maps which are ...