Title 7
SECTION 29.2305
29.2305 Subgrade.
§ 29.2305 Subgrade.Any grade modified by a special factor symbol.
[37 FR 13521, July 11, 1972. Redesignated at 51 FR 40406, Nov. 7, 1986]Any grade modified by a special factor symbol.
[37 FR 13521, July 11, 1972. Redesignated at 51 FR 40406, Nov. 7, 1986]