Powers, J. Patrick (Personal Name)

His Construction dewatering, 1981: t.p. (J. Patrick Powers, P.E., vice-pres., engineering, Moretrench American Corporation)

His Construction dewatering, c1992: CIP t.p. (J. Patrick Powers) data sheet (b. 12/31/26)

ASME, 1978; Moody, 1979; Standard & Poor, 1979