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U.S. Geological Survey Swelling Clays Map Of The Conterminous U.S.
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Expanding Soils Map of Texas |
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These maps are sourced from the U.S. Geological Survey publication
"Swelling Clays Map Of The Conterminous United States"
by W.W. Olive, A.F. Chleborad, C.W. Frahme, Julius Schlocker,
R.R. Schneider, and R.L Shuster; 1989
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RAM JACK® Foundation Solutions
Setting Higher Standards in Foundation Technology
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