Todd Swinderman, R. Foundations 2: the pyramid approach to control dust and spillage from belt conveyors / R.Todd Swinderman...[et.al.] - U.S.A Martin engineering 1997 - 154 p. Includes postscript, acknowledgements, references, index, seminar request. Subjects--Topical Terms: Foundation construction Dewey Class. No.: 624.15 / FOU