T-Mobile is proposing modifications and additions to telecommunications antennas and associated equipment collocated on an approximately 49-foot tall (overall height) utility pole located at the intersection of Monterey Boulevard and Congo Street, San Francisco, San Francisco County, CA 94131 (Latitude 37° 43' 54.17" N, Longitude 122° 26' 31.10" W. Associated support equipment will be installed on a proposed H-frame placed within the ROW to the north of the utility pole. A route for power and utilities is also planned within the ROW, connecting the utility pole to the new support equipment. Eocene Environmental Group is publishing this notice in accordance with Federal Communications Commission regulations (47 CFR § 1.1307) for Section 106 of the National Historic Preservation Act (NHPA) and for the National Environmental Policy Act (NEPA). Parties interested in commenting on this Federal undertaking or with questions on the facility should contact Eocene, Attn: Telecommunications Department, 8951 Windsor Parkway, Johnston, IA 50131 or call 515-473-6256 (Ref. TriLA #2230-AM).