- Title 1 - General Provisions
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- Title 3 - The President
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- Title 18 - Conservation of Power and Water Resources
- Title 19 - Customs Duties
- Title 20 - Employees' Benefits
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- Title 46 - Shipping
- Title 47 - Telecommunication
- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
CFR > Title 24 - Housing and Urban Development > SUBTITLE A—Office of the Secretary, Department of Housing and Urban Development > PART 50—PROTECTION AND ENHANCEMENT OF ENVIRONMENTAL QUALITY > SUBPART D—General Policy: Environmental Review Procedures (§50.18 to §50.24) > 50.21—Aggregation.
50.21—Aggregation.
Activities which are geographically related and are logical parts of a composite of contemplated HUD projects shall be evaluated together.