To amend Public Law 99-647, establishing the Blackstone River Valley National Heritage Corridor Commission, to authorize the Commission to take immediate action in furtherance of its purposes and to increase the authorization of appropriations for the Commission.

[AI summary unavailable — showing source text] Authorizes the Blackstone River Valley National Heritage Corridor Commission to make grants for historic and natural resources preservation, an interpretative exhibit, and cultural and educational programs within the Blackstone River Valley National Heritage Corridor in Massachusetts and Rhode Island. Authorizes appropriations through 1992.…