Donohue & Associates Inc. / Geophysical Survey Systems Inc. / Donohue & Assoriates Inc. / DONOHOE & ASSOCIATES INC. / Donohue and Associates / P.E. / /
Facility
Highway Divisiorl / Towa Highway / /
Organization
Iowa Department of Transportation / Iowa Department of Transportation Highway Civision / Deteriorated Joint Iowa Department / EPC / ACKNOWLEDGEMENTS Iowa Department / /
Person
Vernon J. Marks / Re / William D. McElwee / /
Position
Research Engineer / General / Vice President Oonohue & Associates / /
Final Report Iowa Highway Research Board Project HR-25Q A NONDESTRUCTIVE METHOD FOR DETERMININGTHE THICKNESS