DESCRIPTIONS OF BENCH MARKS
 

BOROUGH OF QUEENS
 

NASSAU   COUNTY.

B. M. 505.—Belle Harbor. A horizontal line on the face of a brass tablet bolt 2
inches in diameter set horizontally into the northeasterly brick buttress of the tower
of the St Francis de Sales Roman Catholic Church, on the northwest corner of Beach
One Hundred and Twenty-ninth Street (Chester Avenue) and Rockaway Beach
Boulevard (Washington Avenue). The bolt is 1,5 feet above the ground. (Note
1, p. 89.)

Elevation, 10.197 feet.

B, M. 506.—BeUe Harbor. A square (tl) cut in the top of the northwest cornet
of the west sill at the gate entrance to Belle Harbor, on the northwest corner of
Beach One Hundred and Twenty-sixth Street (Pelham Avenue) and Rockaway Beach
Boulevard (Washington Avenue).

Elevation. 8.237 feet

B. M. S07.—Belle Harbor. A square (ji), lettered U. S., cut in the top of the
north edge of the cement sidewalk on the northwest corner of Beach One Hundred
and Twenty-eighth Street (Winthrop Avenue) and Rockaway Beach Boulevard
(Washington Avenue). The bench mark is about 3 feet west of the west curb. (Note
16, p, 91.)

Elevation, 7.861 feet.

B. M. 508,—Rockaway Park. A square (tl), lettered U. S,, cut in the top of the
east end of the cement sidewalk on the northwest corner of Beach One Hundred
and Seventeenth Street (Sixth Avenue) and Rockaway Beach Boulevard (Washington
Avenue).    The bench mark is 6 inches from the west curb.    (Note 16, p. 91.)

Elevation, 6918 feet.

B. M. 509.—Rockaway Park. A horizontal line in the end of a 5^-inch copper
bolt leaded horizontally into the red sandstone at the northeast corner of Public
School No. 43, at Rockaway Beach Boulevard (Washington .Avenue) and Beach One
Hundred and Tenth Street (Eastern Avenue). The bolt is on the north side of the
building and about 64 feet south of Rockaway Beach Boulevard. It is 4,5 feet above
the ground and 1.25 feet from the east end of the building.    (Note 6, p. 90.)

Elevation, 14.777 feet.

B. M. 510.—Rockaway Park. A square (ja.) cut in the top of the«east edge of
the curved portion of the first cement step at the main entrance to Public School
No. 43, at Rockaway Beach Boulevard (Washington Avenue) and Beach One Hundred
and Tenth Street (Eastern Avenue). The bench mark is 2 feet from the south end
of the step.    Established by the Queens Topographical Bureau.

Elevation, 10.707 feet.