; (27) thence northwest along said southwestern right-of-way of Virginia Avenue SW to its intersection with the western right-of-way of 3rd Street SW; (28) thence north along said western right-of-way of 3rd Street SW to its intersection with the northern right-of-way of D Street SW; (29) thence west along said northern right-of-way of D Street SW to its intersection with the eastern right-of-way of 4th Street SW; (30) thence north along said eastern right-of-way of 4th Street SW to its intersection with the northern right-of-way of C Street SW; (31) thence west along said northern right-of-way of C Street SW to its intersection with the eastern right-of-way of 6th Street SW; (32) thence north along said eastern right-of-way of 6th Street SW to its intersection with the northern right-of-way of Independence Avenue SW; (33) thence west along said northern right-of-way of Independence Avenue SW to its intersection with the western right-of-way of 12th Street SW; (34) thence south along said western right-of-way of 12th Street SW to its intersection with the northern right-of-way of D Street SW; (35) thence west along said northern right-of-way of D Street SW to its intersection with the eastern right-of-way of 14th Street SW; (36) thence south along said eastern right-of-way of 14th Street SW to its intersection with the northeastern boundary of the Consolidated Rail Corporation railroad easement; (37) thence southwest along said northeastern boundary of the Consolidated Rail Corporation railroad easement to its intersection with the eastern shore of the Potomac River; (38) thence generally northwest along said eastern shore of the Potomac River to its intersection with a line extending westward the northern boundary of the property designated as Square 12 Lot 806