Go rest high upon the mountain sheet music
Level IV Ecoregion Status (December 2011)(12) Layer Options: All layers as a single composite image (Layers can't be turned on and off in client) Each layer as a separate image Vector layers as vectors and raster layers as images The annual rainfall can range from eight inches in the deserts of far west Texas to 56 inches per year in the swamps of east Texas. Generally, Texas is divided into 10 natural regions or ecoregions: the Piney Woods, the Gulf Prairies and marshes, the Post Oak Savanah, the Blackland Prairies, the Cross Timbers,... There are 12 level III and 56 level IV ecoregions shown on this handsome map produced by the USEPA, the Texas Commission on Environmental Quality (TCEQ), the US Dept. of Agriculture-Natural Resources Conservation Service (NRCS), the USGS and other State of Texas agencies and universities.