Broadway and Cortlandt Street—Top earth, 8 feet; medium sand, 9 feet; fine sand, 34 feet; running sand, 19 feet.
Broadway
and Liberty Street—Top earth, 10 feet; coarse sand, 4 feet; medium
sand, 6 feet; fine sand, 25 feet; running sand, 25 feet.
Broadway and Cedar Street—Top earth, 8 feet; sand, 7 feet; fine sand, $7 feet; running sand, 18 feet.
Broadway and Pine Street—Top earth, 8 feet; medium sand, 12 feet; fine sand, 26 feet; running sand, 24 feet.
Broadway and Wall Street—Top earth, 6 feet; medium sand, 9 feet; fine sand, 25 feet; running sand, 10 feet.
Broadway and Rector Street—Top earth, 9 feet; medium sand, 19 feet; fine sand, 11 feet; running sand, 14 feet.
Broadway and Exchange Place—Top earth, 10 feet; medium sand, 5 feet; fine sand, 10 feet; running sand, 26 feet.
Broadway and Morris Street—Top earth, 7 feet; medium sand, 4 feet; fine sand, 14 feet; running sand, 10 feet.
The
above borings were made in 1891. Along State Street the subjoined
results, also given to me by Engineer Bates, have been obtained:
No. I—22 feet 2 inches to rock through top soil, filling and river
mud.
No. 2—15 feet to rock through top soil, filling and river mud. No. 3—15
feet to rock through top soil and filling. No. 4—12 feet 5 inches to
rock through filling. No. 5—32 feet to rock through top soil, filling,
sand and gravel. No. 6—16 feet 5 inches to rock through top soil and
filling. No. 7—20 feet to rock through top soil, filling and hard pan.
No. 8—22 feet 4 inches to rock through top earth, filling, sand,
clay,
gravel, and hard pan. No. 9—12 feet 6 inches to rock through top earth
and sand. No. 10—14 feet 2 inches to rock through top earth and
micaceous
sand.
Dr.
Wallace G. Levison exhibited on October 20th, 1902, a specimen of
gneiss from bed-rock taken at a depth of 50 feet at the corner of Broad
and Exchange Streets, a second from 45 feet below the surface at 40 Exchange Place, and two others also taken at that depth at about the same spot.
