===+===================+=====+========+======+==+====+====+====+====+====|
| | | | |A | AVE. NO. |
W| | | | |v | OF MEN |
e| | | | | | IN GANG |
i| | | | |a +----+----+----+----+----+
g| | | | |i | | | | A | |
h| | | | |r | | D | G | i | |
t| | | |Total | | | r | r | r | |
| | | | |p | S | i | o | | |
o| |Total| Total |number|r | h | l | u | t | T |
f| | | | |e | i | l | t | r | o |
| Description | No. | No. | of |s | e | i | i | a | t |
i| | | | |s | l | n | n | n | a |
r| of | of | of |8-hour|u | d | g | g | s | l |
o| | | | |r |----+----+----+----+----+
n| Material |rings| feet. |shifts|e |Unit|Unit|Unit|Unit|Unit|
---+-------------------+-----+--------+------+--+----+----+----+----+----+
{|Rock. | 165| 412.5| 597 |16| 18 | 9 |0.25| 1 | 28 |
O {|Rock and earth and | 177| 442.5| 500 |14| 22 | 5 |0.3 | 2 | 30 |
r {| rock and gravel.| | | | | | | | | |
d {|Sand and gravel | 188| 470.0| 241 |13| 24 | |0.6 | 3 | 27 |
i {| (unobstructed), NJ| | | | | | | | | |
n {|Sand and silt (with| 171| 427.5| 199 |22| 23 | |1.0 | 3 | 27 |
a {| piles.)| | | | | | | | | |
r {|Silt under R. R. | 396| 990.0| 355 |19| 27 | | | 3 | 30 |
y {| tracks, NY| | | | | | | | | |
{|Rip-rap and silt | 77| 192.5| 193 |23| 26 | | | 4 | 30 |
| under bulkhead.| | | | | | | | | |
i {| |-----+--------+------+--+----+----+----+----+----|
r {|Total mixed and | | | | | | | | | |
o {| difficult ground.|1,174| 2,935.0|2,085 |17| 22 | 4 |0.3 | 3 | 29 |
n {|-------------------+-----+--------+------+--+----+----+----+----+----+
{|Silt--ordinary iron|1,302| 3,255.0| 676 |25| 22 | | | 4 | 26 |
---+-------------------+-----+--------+------+--+----+----+----+----+----+
Hvy|Silt--heavy iron. |2,209| 5,522.5| 791 |26| 25 | | | 8 | 33 |
---+-------------------+-----+--------+------+--+----+----+----+----+----+
|Silt--ord and heavy| | | | | | | | | |
|iron under river. |3,511| 8,777.5|1,467 |26| 24 | | | 6 | 30 |
|-------------------+-----+--------+------+--+----+----+----+----+----+
|Grand total. |4,685|11,712.5|3,552 |21| 23 | 2 |0.2 | 4 | 29 |
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