Fisher, W.L.2010-02-152010-02-151965http://hdl.handle.net/1969.3/19869439 p.This report treats the rock and mineral resources of a 33,000 square mile area of eastern and southeastern Texas. Principal resources include mineral fuels, metallic minerals, industrial rock and minerals, and industrial sand, silt, limestone, chalk, heavy minerals and volcanic ash.mineral resourcesmineral assemblagesrocksBook