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Campbell DeLong Resources, Inc., a national, and international, research, planning, and training corporation.... Campbell DeLong Resources, Inc., a Research, Training, and Planning corporation built on the leadership of John H. Campbell and Martha A. DeLong... CDRI, Contacting CDRI, Campbell DeLong Resources, Inc.... Campbell DeLong Resources, Inc., an international, Research, Training, Planning corporation offering the uniques skills of John H. Campbell and Martha A. DeLong