1961—Puspan. L. 87–360 inserted “and improve” after “administer”.
Puspan. L. 115–178, June 1, 2018, 132 Stat. 1379, provided that: “This Act may be cited as the ‘Smithsonian National Zoological Park Central Parking Facility Authorization Act’.
The National Zoological Park was established under provisions of the District of Columbia Appropriation Act for the Fiscal Year 1890, act Mar. 2, 1889, ch. 370, § 4, 25 Stat. 808, which constituted a commission to select from a certain district along Rock Creek a tract of land, including a section of the creek, suitable for a zoological park, and to purchase the land so selected, or take proceedings for the condemnation thereof, the United States to have title to the land on payment therefor to the owners.
The Rock Creek Park was established by act Sept. 27, 1890, ch. 1001, 26 Stat. 492.
The Potomac Park was established by act Mar. 3, 1897, ch. 375, 29 Stat. 624.
Certain parcels of land were added to the National Zoological Park by acts June 5, 1920, ch. 235, § 1, 41 Stat. 892; Mar. 4, 1921, ch. 161, § 1, 41 Stat. 1384.
Provisions for a parkway connecting Potomac Park with Zoological Park and Rock Creek Park were made by act Mar. 4, 1913, ch. 147, § 27, 37 Stat. 885.