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
Desert Archaeology LLC (synthetic)
Attn: contact94@example.gov
RE: Section 106 Consultation, Solar generation facility — Yavapai Co. Phase I
SHPO File: PRJ-2026094 · Yavapai County, AZ
Received: 3/10/2026 · Deadline: 4/9/2026

Dear contact94@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 Desert Archaeology LLC (synthetic).

Area of Potential Effects (APE). The APE includes a polygon of approximately 101.22 km² centered at 35.0391°, -110.8359° in Yavapai County, Arizona.

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

Tribal consultation. The APE intersects sovereign tribal land(s): Navajo Nation. Concurrent consultation with the appropriate Tribal Historic Preservation Officer(s) is required under 36 CFR 800.2(c)(2)(ii).

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:

  • Winslow Underpass (NRIS 88001610) — recommended effect: Pending consultation.
  • Winslow Bridge (NRIS 88001611) — recommended effect: Pending consultation.

ADOT historic / scenic route(s). Picacho to Cooliddge to Chandler to Mesa to Payson to Winslow.

Determination. Based on the foregoing, SHPO concurs with a finding of NO ADVERSE EFFECT 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,

P. Denetclaw
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.