(a) Grant Park North-A. Beginning at a point 2,120 feet South of the intersection of the North line of the Chicago Yacht Club bulkhead, as constructed in 1927, and the harbor line approved by the Department of the Army on August 3, 1940, along the West side of the harbor, said harbor line runs parallel to the overall alignment of said Grant Park bulkhead between its North and South ends, said intersection is approximately 800 feet South of the South face of the former Naval Armory Dock, and 100 feet East of said bulkhead, that point being approximately on the harbor line; thence North along a straight line parallel to said harbor line and bulkhead, 1,705 feet to a point that is 100 feet East of said harbor line and 150 feet East of the Grant Park bulkhead; thence East at a right angle, 150 feet; thence North at a right angle, parallel to the first described line, passing 100 feet East of the Chicago Yacht Club bulkhead, 440 feet; thence Northeasterly 850 feet to a point 1,070 feet East of the aforesaid Grant Park bulkhead; thence Southeasterly 740 feet to a point 1,600 feet East of said harbor line; thence Southerly 1,960 feet to a point approximately 1,555 feet East of said harbor line and about 1,560 feet East of said Grant Park bulkhead; thence Southwesterly 295 feet to a point 1,180 feet due East, in a direction perpendicular to the West line hereof, from the point of beginning; and thence West to the point of beginning.

(b) Grant Park North-B. Beginning at a point 145 feet North of the North line of the Chicago Yacht Club bulkhead, as constructed in 1927, and 320 feet East of the harbor line approved by the Department of the Army on August 3, 1940, along the West side of the harbor, said Chicago Yacht Club bulkhead extends due East, perpendicular to the Grant Park bulkhead's overall alignment between its North and South ends, said bulkhead runs parallel to the aforesaid harbor line and is approximately 800 feet South of the South face of the former Naval Armory Dock, said point is 20 feet East of the East face of the Chicago Park District jetty; thence North parallel to said jetty, 230 feet to a point 20 feet South of the South face of the Lake Shore Drive bulkhead, said bulkhead runs Easterly and Westerly in a curved direction; thence Easterly along a line parallel to said curved bulkhead to a point 20 feet Southwest and perpendicular to a line extended along the Southwest side of the Columbia Yacht Club pier to said curved bulkhead; thence Southeasterly parallel to said extended line, 160 feet; thence Southwesterly to the point of beginning.

(c) Grant Park North-C. Beginning at a point 970 feet North of the North line of the Chicago Yacht Club bulkhead, as constructed in 1927, which extends due East and perpendicular from the harbor line approved by the Department of the Army on August 3, 1940, said Chicago Yacht Club bulkhead line is approximately 800 feet South of the South face of the former Naval Armory Dock, and 1,170 feet East of said harbor line, said point of beginning is 20 feet East of the East face of the Columbia Yacht Club pier and 20 feet South of the South face of a breakwater, which runs in a East and West direction; thence East along a line parallel to the South face of said East-West breakwater, 540 feet to a point 20 feet West of the West face of a breakwater, which runs in a North and South direction; thence South along a line parallel to the West face of said North-South breakwater, approximately 965 feet; thence Northwesterly to a point 20 feet Southeast and perpendicular to the Southeast side of the aforesaid Columbia Yacht Club pier; thence Northerly along a line parallel to the East face of said pier to the point of beginning.

(d) Grant Park South. Beginning at a point 2,220 feet South of the intersection of the North line of the Chicago Yacht Club bulkhead, as constructed in 1927, and the harbor line approved by the Department of the Army on August 3, 1940, along the West side of the harbor, said harbor line runs parallel to the overall alignment of the Grant Park bulkhead between its North and South ends, said intersection is approximately 800 feet South of the South face of the former Naval Armory Dock, and 100 feet East of said Grant Park bulkhead, that point being approximately on the harbor line; thence East, perpendicular to the overall alignment of the Grant Park bulkhead, and perpendicular to said harbor line, 1,180 feet; thence Southeasterly 330 feet to a point 1,510 feet East of said Grant Park bulkhead and 225 feet South of an extension of the first described line; thence South perpendicular to the first described line, 220 feet; thence Southwesterly 2,375 feet along a line generally 100 feet Northwesterly from and parallel to the Northwesterly face of the narrow section of the U.S. Inner Breakwater; thence Northwesterly 100 feet to a point 150 feet East of said Grant Park bulkhead (or 100 feet East of the aforesaid harbor line), and 4,570 feet South of the North line of the aforesaid Chicago Yacht Club bulkhead; and thence North 2,350 feet of the point of beginning.