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 14, 2026
AZ State Land Dept
Attn: contact7@example.gov
RE: Section 106 Consultation, Solar generation facility — Gila Co. Phase I
SHPO File: PRJ-2026007 · Gila County, AZ
Received: 3/14/2026 · Deadline: 4/13/2026

Dear contact7@example.gov:

The Arizona State Historic Preservation Office (SHPO) has reviewed your solar generation facility 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. Solar generation facility submitted by AZ State Land Dept.

Area of Potential Effects (APE). The APE includes a polygon of approximately 101.73 km² centered at 34.6269°, -112.0419° in Gila County, Arizona.

Federal nexus. The APE intersects the following surface management jurisdictions: Prescott N.F (USFS).

Flood hazard. The APE intersects FEMA flood zone(s) X.

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

  • Mingus Lookout Complex (NRIS 87002490) — recommended effect: Adverse effect.
  • Broadway Bridge (NRIS 88001651) — recommended effect: Adverse effect.

Section 4(f) considerations. 2 pre-1945 bridge(s) lie within 5 km of the APE; ADOT and FHWA Section 4(f) eligibility should be confirmed prior to construction.

ADOT historic / scenic route(s). 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,

J. Begay
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.