§ 52.1921 Classification of regions.  


Latest version.
  • The Oklahoma plan was evaluated on the basis of the following classifications:

    [37 FR 10887, May 31, 1972, as amended at 45 FR 9741, Feb. 13, 1980]

[37 FR 10887, May 31, 1972, as amended at 45 FR 9741, Feb. 13, 1980