Earth. Rock. measurement.

35th Street and North River 242,800 22,800 281,500
Pier No. 72, North River 673,800 1,488,000 3,203,400
From Cross-town Tunnels 570,400
From Under-river Tunnels 402,500
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Total 4,457,800
===========

The material was delivered as follows:

To the freight terminal of the Pennsylvania Railroad
Company at Greenville, N.J. 3,454,800
To the Meadows Division of the Tunnel Line between
Harrison, N.J., and the North River Portals 711,900
To other points selected by the contractors 291,100
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Total 4,457,800
=========

The handling of this large quantity of material required the loading of
from 10 to 20 scows per day (and for more than two years the average was
14), and, as the average time spent in one round trip was 3 1/3 days, a
fleet of more than 50 scows was required to keep all points supplied and
allow for a few to be out of service undergoing repairs.

All loaded scows were towed from the docks, with the ebb tide, to a
stake boat anchored in the bay about one mile off shore at Greenville;
and were taken from there to the different unloading points, as