AST Facilities - Environmental Reviews - Arecibo Observatory
Section 106 of the National Historic Preservation Act (NHPA)
Frequently Asked Questions (FAQs) about this Section 106 Process - English | Spanish
- Initiate Section 106 Process
- NSF Letter to Puerto Rico State Historic Preservation Officer (SHPO), July 5, 2016
- SHPO Response to NSF Letter, August 8, 2016
- Identify Historic Properties & Assess Effects
- State Historic Preservation Office (SHPO) Letter, October 19, 2016
- Historic Properties Assessment of Effects Report, October 2016
- Transcript of Consulting Parties Meeting, November 17, 2016
- SHPO Response to NSF Letter, December 12, 2016
- NSF Email to ACHP, December 15, 2016
- Resolve Adverse Effects
- NSF Letter to ACHP, April 28, 2016
- Consulting Parties meeting minutes, June 21, 2016
- Draft Programmatic Agreement, June 23, 2017 - English | Spanish
- Draft Programmatic Agreement Attachments, June 23, 2017 - English | Spanish
- Transcript of Consulting Parties-Historic Preservation Public Meeting, July 6, 2017
- Transcript of Consulting Parties Meeting, Teleconference, July 13, 2017
- Revised Draft Programmatic Agreement, August 17, 2017 - English | Spanish
- Revised Draft Programmatic Agreement Attachments, August 17, 2017 - English | Spanish
- New Programmatic Agreement, executed September 19, 2023 [replaces 2017 Programmatic Agreement - English
- Executed (Final) Programmatic Agreement, November 15, 2017 -
- Invitation for Concurring Parties Signatures, November 15, 2017
- Programmatic Agreement Implementation
- Additional Resources
- Advisory Council on Historic Preservation
- Historic Property Survey Report, September 2018
- National Astronomy and Ionosphere Center (Arecibo Observatory) Nomination for Listing on the National Register of Historic Places (updated in 2020 per Stipulation I.A.3 of the Programmatic Agreement)