Citation

83 FR 14811

Multiple canonical documents share this first-page citation.

Promulgation of State Implementation Plan Revisions; Colorado; Attainment Demonstration for the 2008 8-Hour Ozone Standard for the Denver Metro/North Front Range Nonattainment Area, and Approval of Related Revisions Friday, April 6, 2018 83 FR 14807
Federal Register Vol. 83, No.67, April 6, 2018 Friday, April 6, 2018 83 FR 14811