Texas State Department of Highways and Public Transportation, Transporation and Planning Division.2010-02-152010-02-151985http://hdl.handle.net/1969.3/220492 maps on 2 sheets, 119 x 89 cm.These maps were produced for internal department use and include manmade features, some natural features such as prominant water bodies, and major cities with population statistics from the 1980 census.mapstopographic mapsGeneral Highway Map: Harris County, Texas.Map