Line C, Manhattan.

Material.Method.Station:Date:Number
of days.		Linear
Feet.		Rate of
progress in
feet per day.		Remarks.
FromToFromTo
Rock⎧
⎨
⎩		Top heading
Top heading
Excavating bench
Bottom heading
Bottom heading		107+79.03
107+69
107+79
107+23
107+23		107+69
107+23
107+23
106+72
107+15		Dec. 20, '04
Jan. 1, '05
Jan. 21, '05
Mar. 1, '05
Oct. 12, '05		Dec. 27, '04
Jan. 15, '05
Feb. 28, '05
Mar. 11, '05
Oct. 27, '05		7
14
38
10
15		⎫
⎬
⎭		54 0.77⎧
⎨
⎩		Stopped to brace portal. No work done from March 12th to October 11th, 1905, except a little trimming in September. All work up to this date done in normal air. Heading advanced to 106+70 and bulkheaded.
Rock Bottom heading107+15106+62Nov. 6, '05Dec. 2, '052653 2.04
Mixed Bottom heading106+62106+55Dec. 2, '05Dec. 23, '05217 0.33⎧
⎨
⎩		Heading advanced to 106 + 40. Shut down in order that Line D might have a lead.
Mixed Bottom heading106+55106+17Feb. 12, '06Mar. 22, '063838 1.00⎧
⎨
⎩		Shut down on account of air shortage.
Mixed Rock cut106+17105+85Apr. 2, '06Apr. 20, '061832 1.78Shut down on account of air shortage.
Mixed Rock cut105+85105+55July 27, '06Aug. 26, '063030 1.00Shut down April 20th to July 27th, 1906.
Earth Breasting and poling105+5599+40Aug. 26, '06Jan. 2, '07127615 4.84
Mixed Rock cut99+4098+70Jan. 2, '07Feb. 6, '073570 2.00
Rock Full face98+7098+60Feb. 6, '07Feb. 12, '07610 1.66
Mixed Bottom heading98+6098+39Feb. 12, '07Mar. 6, '072221 0.95
Rock Bottom heading98+3998+17Mar. 6, '07Mar. 15, '07922 2.44
Mixed Rock cut98+1795+68Mar. 15, '07July 30, '07110249 2.26Heading advanced to 97+82.
Rock Middle heading95+6894+61July 30, '07Aug. 21, '0749107 2.18Heading advanced to 94+35.
Mixed Rock cut94+6193+56Aug. 21, '07Oct. 3, '0743106 2.46
Rock Middle heading93+5692+73Oct. 3, '07Nov. 11, '073983 2.13
Mixed Rock cut92+7390+55Nov. 11, '07Feb. 13, '0894218 2.32Shut down until Line D shields met.
Mixed Rock cut90+5590+44.4Feb. 25, '08Mar. 3, '086 11 1.83