Decision Memo Completed

Observatory Permit Amendment - Smithsonian Institution Security Tower, Whipple Observatory

Coronado National Forest Santa Cruz, Arizona Nogales Ranger District

Installation of 20 ft security tower with camera(s) outside of gate along Forest Road 184 Montosa Canyon. Solar panels will be mounted on tower along with cameras.

Location

Latitude 31. 674378, Longitude -110. 879795 along FR 184 Montosa Canyon

Project timeline

1
Scoping Start
02/28/2025
2
Decision
04/2025 (Estimated)
3
Implementation
04/2025 (Estimated)

NEPA / regulatory detail

Categorical Exclusion32.2 (3), 36 Cfr 220.6(E)(3)
Special AuthorityNot Applicable / Other
Notice and Comment RegulationNot Subject to Regulations
Project ActivitySpecial Use Authorizations
Observatory Permit Amendment - Smithsonian Institution Security Tower, Whipple ObservatoryDecision Signed Date: 04/30/2025
ForestsCoronado National Forest
DistrictsNogales Ranger District
Legal Land DescriptionT20S, R14E, Section 14
Special use management