Prototype·Built by Concourse for Arizona State Historic Preservation Office
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Arizona State Historic Preservation Office
State Parks Building · 1100 W Washington St · Phoenix, AZ 85007 · shpo@azstateparks.gov
Prototype letterhead — generated by SHOPP
March 10, 2026
BLM — Arizona State Office
Attn: contact143@example.gov
RE: Section 106 Consultation, Fiber broadband trenching — Maricopa Co. Supplemental
SHPO File: PRJ-2026143 · Maricopa County, AZ
Received: 3/10/2026 · Deadline: 4/9/2026

Dear contact143@example.gov:

The Arizona State Historic Preservation Office (SHPO) has reviewed your fiber broadband trenching submission for the above-referenced undertaking pursuant to Section 106 of the National Historic Preservation Act and its implementing regulations at 36 CFR Part 800.

Project description. SYNTHETIC demonstration record. Fiber broadband trenching submitted by BLM — Arizona State Office.

Area of Potential Effects (APE). The APE includes a polygon of approximately 101.71 km² centered at 34.6457°, -112.3066° in Maricopa County, Arizona.

Federal nexus. The APE intersects the following surface management jurisdictions: Private Land (Private); State Trust Land (State).

Flood hazard. The APE intersects FEMA flood zone(s) A, X (Special Flood Hazard Area).

Identified historic properties. The submission identified 2 historic properties within or adjacent to the APE:

  • Mingus Lookout Complex (NRIS 87002490) — recommended effect: Pending consultation.
  • Lynx Creek Bridge (NRIS 88001641) — recommended effect: No adverse effect.

ADOT historic / scenic route(s). Cordes Junction to Prescott Highway; Prescott to Flagstaff Highway.

Determination. Based on the foregoing, SHPO concurs with a finding of ADVERSE EFFECT, with stipulations pursuant to 36 CFR 800.5. Stipulations to protect contributing resources during construction shall be incorporated into the project design and monitored by a qualified historic preservation specialist.

This determination is non-final until concurrence is received from all consulting parties. Should the scope of the undertaking change, please resubmit for re-review per 36 CFR 800.13.

Sincerely,

D. Ramirez
reviewer · Arizona SHPO
This letter was auto-drafted by SHOPP using the unified GIS layer set and the project’s submitted polygon. Final review and signature by the assigned reviewer is required before issuance.