Citation

83 FR 31068

Multiple canonical documents share this first-page citation.

Approval and 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 Tuesday, July 3, 2018 83 FR 31068
Federal Register Vol. 83, No.128, July 3, 2018 Tuesday, July 3, 2018 83 FR 31068