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
April 12, 2026
USFS — Coconino NF
Attn: contact109@example.gov
RE: Section 106 Consultation, Commercial retrofit — Maricopa Co. Supplemental
SHPO File: PRJ-2026109 · Maricopa County, AZ
Received: 4/12/2026 · Deadline: 5/12/2026

Dear contact109@example.gov:

The Arizona State Historic Preservation Office (SHPO) has reviewed your commercial retrofit 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. Commercial retrofit submitted by USFS — Coconino NF.

Area of Potential Effects (APE). The APE includes a polygon of approximately 103.37 km² centered at 33.2649°, -110.8007° in Maricopa County, Arizona.

Federal nexus. The APE intersects the following surface management jurisdictions: Private Land (Private); Bureau of Land Mgmt. (BLM); Tonto N.F (USFS); San Carlos Indian Res. (Indian Lands).

Tribal consultation. The APE intersects sovereign tribal land(s): San Carlos Apache Tribe. 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) D.

Identified historic properties. The submission identified 1 historic property within or adjacent to the APE:

  • Miami Avenue Bridge (NRIS 88001693) — recommended effect: No adverse effect.

ADOT historic / scenic route(s). Globe to Lordsburg Highway; Quartzsite to Wickenburg to Phoenix to Globe to Show Low to Springerville; Tucson to Oracle Junction to Globe Highway and Show Low to Holbrook; Winkelman to Superior; Copper Corridor Scenic Road East.

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,

R. Alvarez
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.