19d leftPRJ-2026248Synthetic
Visitor center expansion — Maricopa Co. Phase II
Submitted by NPS — Grand Canyon NP · Received 5/21/2026 · Deadline 6/20/2026
AI copilot — report summary (demo)
This visitor center expansion submitted by NPS — Grand Canyon NP in Maricopa County is a routine undertaking under Section 106 / 36 CFR 800. Auto-matched against the NRHP inventory: 0 listed or potentially-eligible properties fall within or near the project APE. The submitter has provided a pedestrian survey report with photographic documentation.
Draft determination language (Criterion A–D · NHPA §300308): Based on the identified APE, the undertaking will have no adverse effect on historic properties provided the conditions in Section 4 of the submitted report are followed.
Intersecting historic properties
Real data· NRHP matchesNo NRHP properties in the project APE.
Correspondence log (4)
Incoming5/20/2026
Submittal: report for review
NPS — Grand Canyon NP → SHPO — M. Tso
Outgoing5/15/2026
Request for additional information
SHPO — M. Tso → NPS — Grand Canyon NP
Incoming5/9/2026
Response to RFI
NPS — Grand Canyon NP → SHPO — M. Tso
Outgoing4/22/2026
Concurrence with no adverse effect
SHPO — M. Tso → NPS — Grand Canyon NP
Documents (1)
Synthetic1 reports + supporting exhibits. Click to preview (stubbed).
Project metadata
StatusClosed
TypeVisitor center expansion
Submitter kindfederal
CountyMaricopa
ReviewerM. Tso
Program areaR&C — Energy/Wildfire
Actions