! Main articles: Military production during World War II and Home front during World War II. . ; . . Texas is the southernmost part of the Great Plains which ends in the south against the folded Sierra Madre Occidental of Mexico the continental crust forms a stable Mesoproterozoic craton which changes across a broad continental margin and transitional crust into true oceanic crust of the Gulf of Mexico the oldest rocks in Texas date from the Mesoproterozoic and are about 1,600 million years old.
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The District Apartments