Deep foundation improvements : design, construction, and testing / Esrig, Melvin I. Bachus, Robert C. ASTM Committee D-18 on Soil and Rock. Foundations. Columns Soil mechanics. Soil stabilization. 624 AST 1991 A037 Or. Papers presented at the Symposium on Design, Construction, and Testing of Deep Foundation Improvements, held in Las Vegas on Jan. 25, 1990 and sponsored by ASTM Committee D-18 on Soil and Rock. Philadelphia, PA : ASTM, c1991. c1991. Text 337 p. : STP ;