The western half of USA at 1:2, 300, 000 on a double-sided, indexed map with enlargements for the environs of Los Angeles, San Francisco, Denver & San Antonio. Coverage extends east to Oklahoma City & Houston. The map has bright altitude colouring to show the topography & presents the road network clearly highlighting main interstate freeways. National or state parks, Indian reservations & military areas are marked. Symbols highlight various places of interest. The map has latitude & longitude lines at intervals of 2° Enlargement show in greater detail the environs of Los Angeles, San Francisco, Denver & San Antonio. To see other regional titles from ITMB covering USA please click on the series link.