The said dock or wharf line of the said ship channel and old river bed on the northwesterly side thereof, begins at the end of the west concrete pier as built by the U.S. Government and thence southerly along this line produced until it intersects the line which is at right angles to the east line of Riverbed Ave. N.W. and through said point in the northerly line of Riverbed Ave. N.W. three hundred and one and sixty-six one-hundredths (301.66) feet easterly of the center line of Division Ave. N.W. produced; thence south 39 degrees 45 minutes west, forty-eight (48) feet; thence south 46 degrees 45 minutes west, sixty-six (66) feet; thence south 53 degrees 45 minutes west, sixty-six (66) feet; thence south 60 degrees 45 minutes west, sixty-six (66) feet; thence south 67 degrees 45 minutes west, sixty-six (66) feet; thence south 74 degrees 45 minutes west, sixty-six (66) feet, to a point twenty- eight and five-tenths (28.5) feet, at right angles from a point in the easterly line of Division Ave. N.W. one hundred and sixty-one and eight one-hundredths (161.08) feet, southerly from its intersection with the southerly line of Riverbed Ave. N.W.; thence south 84 degrees 30 minutes west, six hundred and sixty-two and sixty-six one-hundredths (662.66) feet to the northwest corner of said second division of the ship channel; which corner is fifty-three and five-tenths (53.5) feet at right angles from a point in the northerly line of Elm St. N.W. ninety and twenty-five one-hundredths (90.25) feet easterly of its intersection with the easterly line of Macy St. N.W.; thence south 24 degrees 32 minutes west, five hundred and thirty and twenty one- hundredths (530.20) feet, to a point thirty-six and eighty-three one-hundredths (36.83) feet distant at right angles, from a point in the easterly line of Macy St. N.W. one hundred and sixteen and four one-hundredths (116.04) feet northerly from its intersection with the northerly line of Mulberry St. N.W.; thence south 10 degrees 30 minutes west, eight hundred and thirty-eight and sixty-six one-hundredths (838.66) feet to a point in 28th St. N.W. fifteen and eighty-three one-hundredths (15.83) feet, at right angles northerly of the southerly line thereof, and one hundred and fifty-seven and sixteen one-hundredths (157.16) feet easterly of the easterly line of Macy St. N.W.; thence south 23 degrees 41 minutes west, three hundred and eleven and seventy- five one-hundredths (311.75) feet to a point four and seventy one-hundredths (4.70) feet, at right angles southerly, from a point in the northerly line of Union St., one hundred and thirty and twenty-nine one- hundredths (130.29) feet easterly from its intersection with the easterly line of Macy St. N.W.; thence south 36 degrees 15 minutes west, two hundred and thirty- nine and seventy-nine one-hundredths (239.79) feet; thence south 60 degrees 13 minutes west, three hundred and eighty-eight and seventy-five one-hundredths (388.75) feet, to a point which is one hundred and nine and fifty one-hundredths (109.50) feet distant, at right angles from a point in the northerly line of Andrew St., and one hundred and forty-four and sixteen one- hundredths (144.16) feet from its intersection with the southerly line of Giddings St.; thence south 83 degrees 32 minutes 30 seconds west, three hundred and seventy-nine and fifty one-hundredths (379.50) feet; thence south 88 degrees 56 minutes west, fourteen hundred and eight and four one-hundredths (1408.04) feet, to a point five and four one-hundredths (5.04) feet, westerly on the last mentioned course, from a point in the center line of Carter St., one hundred and thirty- seven and ninety-two one-hundredths (137.92) feet southerly from its intersection with the southerly line of Andrews St.; thence north 77 degrees 35 minutes west, four hundred and seventy-five and ninety-eight one- hundredths (475.98) feet to the westerly line of 54th St. N.W. produced, and four hundred and sixty-two and thirty-three one-hundredths (462.33) feet from the intersection of said westerly line with the northerly line of old River Ave. N.W.