Even though Geographic Information Systems GIS have been available for over 20 years, they have only recently become accessible to geographers and others as a useful tool in spacial analysis. This is a sampling of basic principles of GIS, as well ascensus tracta#39; areas can be created and numbered for nontract areas where an areal identifier larger than a block but smaller than a ... Area codes (municipality code) a Census tract codes ac Optional elements a Code for nonstreet features a ZIP code a Ward or other ... 75 76 111 120 900 998 901 999 30151 ANDERSON RD.
|Title||:||Introductory Readings In Geographic Information Systems|
|Author||:||D J Peuquet, D F Marble|
|Publisher||:||CRC Press - 2003-12-16|