PLATE		PAPER	PAGE
I.	Map and Profile, Pennsylvania Tunnel & Terminal R. R., North Bergen Tunnel to Long Island City	1150	19
II.	Map and Profile, Harrison Yard to Bergen Hill Tunnel	1150	21
III.	Plan of Sunnyside Yard	1150	23
IV.	View of Tunnel Under Part of Atlantic Avenue, Brooklyn, N.Y.	1151	37
V.	New York Underground Railway Company: Section Through Surface and Underground Stations	1151	39
VI.	Pennsylvania Railroad Extension: Map Showing Proposed Lines Leading to Those Finally Adopted	1151	45
VII.	Plan, Profile, and Triangulation, North River Tunnels	1151	47
VIII.	Typical Sections Between Manholes, Bergen Hill Tunnels	1151	51
IX.	Map of Manhattan Island from Twenty-third to Fortieth Streets	1152	63
X.	Manhattan Shaft, Lines A and B	1152	65
XI.	Long Island Shaft, Lines A and B	1152	67
XII.	Typical Tunnel Sections	1152	69
XIII.	Plan and Profile, East River Tunnels	1152	71
XIV.	Map and Profile, Cross-Town Tunnels	1152	73
XV.	Plan and Profile of Lines A and B, and Sunnyside Yard	1152	74*
XVI.	Plan and Profile of the Pennsylvania Tunnel & Terminal R. R., from Harrison, N. J., to the Hudson River	1153	77
XVII.	Plan of Harrison Yard	1153	79
XVIII.	Details of Shelters and Platforms, Harrison Transfer Station	1153	81
XIX.	Details of Shelters and Platforms, Harrison Transfer Station	1153	81
XX.a	Fig. 1. Lift Rail and Locking Device for Hackensack River Draw-Bridge	1153	83
XX.b	Fig. 2. Lift Rail and Locking Device for Hackensack River Draw-Bridge	1153	83
XXI.a	Fig. 1. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete	1154	85
XXI.b	Fig. 2. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete	1154	85
XXI.c	Fig. 3. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete	1154	85
XXI.d	Fig. 4. Hackensack Portal, Bergen Hill Tunnels; Method of Using Cross-Section Rod; and Belt Conveyor for Handling and Placing Concrete	1154	85
XXII.a	Fig. 1. Scaffold Car; Headhouse; and Round Holes in Concrete Forms	1154	87
XXII.b	Fig. 2. Scaffold Car; Headhouse; and Round Holes in Concrete Forms	1154	87
XXII.c	Fig. 3. Scaffold Car; Headhouse; and Round Holes in Concrete Forms	1154	87
XXII.d	Fig. 4. Scaffold Car; Headhouse; and Round Holes in Concrete Forms	1154	87
XXIII.	Record of Drilling, Air Pressure, Mucking, etc., in Bergen Hill Tunnels	1154	95
XXIV.a	Fig. 1. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls	1154	119
XXIV.b	Fig. 2. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls	1154	119
XXIV.c	Fig. 3. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls	1154	119
XXIV.d	Fig. 4. Belt Conveyor for Handling and Placing Concrete; Water-Proofing, Portion of Completed Sand-Wall, etc.; and Methods of Placing Concrete in Forms and Bench-Walls	1154	119
XXV.a	Fig. 1. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining	1154	129
XXV.b	Fig. 2. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining	1154	129
XXV.c	Fig. 3. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining	1154	129
XXV.d	Fig. 4. Telephone and Telegraph Ducts and Mandrels; Tunnel Lining Forms; Placing Water-Proofing; and Section of Completed Lining	1154	129
XXVI.a	Fig. 1. Form of Circuit-Breaker Chamber and Traveling Gantry; Forms for Storage Chamber; Rock Packing Over Arches; Method of Water-Proofing in Timbered Tunnels, etc.	1154	137
XXVI.b	Fig. 2. Form of Circuit-Breaker Chamber and Traveling Gantry; Forms for Storage Chamber; Rock Packing Over Arches; Method of Water-Proofing in Timbered Tunnels, etc.	1154	137
XXVI.c	Fig. 3. Form of Circuit-Breaker Chamber and Traveling Gantry; Forms for Storage Chamber; Rock Packing Over Arches; Method of Water-Proofing in Timbered Tunnels, etc.	1154	137
XXVI.d	Fig. 4. Form of Circuit-Breaker Chamber and Traveling Gantry; Forms for Storage Chamber; Rock Packing Over Arches; Method of Water-Proofing in Timbered Tunnels, etc.	1154	137
XXVII.a	Fig. 1. Method of Placing Water-Proofing and Keying Arch; View of Completed Tunnel; General View of Completed Hackensack Tunnel and Arches Through Cut-and-Cover Section; and View of Hackensack Approach	1154	145
XXVII.b	Fig. 2. Method of Placing Water-Proofing and Keying Arch; View of Completed Tunnel; General View of Completed Hackensack Tunnel and Arches Through Cut-and-Cover Section; and View of Hackensack Approach	1154	145
XXVII.c	Fig. 3. Method of Placing Water-Proofing and Keying Arch; View of Completed Tunnel; General View of Completed Hackensack Tunnel and Arches Through Cut-and-Cover Section; and View of Hackensack Approach	1154	145
XXVII.d	Fig. 4. Method of Placing Water-Proofing and Keying Arch; View of Completed Tunnel; General View of Completed Hackensack Tunnel and Arches Through Cut-and-Cover Section; and View of Hackensack Approach	1154	145
XXVIII.	Plan and Profile of Parts of North River Tunnels	1155	153
XXIX.a	Fig. 1. Weehawken Shaft; and Tunnel Shield Showing Hood	1155	159
XXIX.b	Fig. 2. Weehawken Shaft; and Tunnel Shield Showing Hood	1155	159
XXX.	Yard and Offices at Manhattan and Weehawken Shafts	1155	161
XXXI.	Tunneling Shield	1155	167
XXXII.	Thirty-Second Street Tunnels and Shield Chambers	1155	175
XXXIII.	General Methods of Excavation Adopted for Land Tunnels	1155	177
XXXIV.	Plan and Longitudinal Section of Weehawken Tunnels	1155	193
XXXV.a	Fig. 1. Apparatus for Cleaning and Rodding Electric Cable Ducts	1155	205
XXXV.b	Fig. 2. Apparatus for Cleaning and Rodding Electric Cable Ducts	1155	205
XXXVI.	Diagram Showing Lines and Grades in River Tunnel North	1155	229
XXXVII.	Cross-Section of Subaqueous Tunnels Showing Reinforcement	1155	231
XXXVIII.a	Fig. 1. Back of Shield in South Tunnel; and Rear View of Shield During Erection of First Ring of Iron Lining	1155	237
XXXVIII.b	Fig. 2. Back of Shield in South Tunnel; and Rear View of Shield During Erection of First Ring of Iron Lining	1155	237

* Transcriber's note: 75 in original.

PLATE		PAPER	PAGE
XXXIX.a	Fig. 1. View of Meeting of Shields; and Lowering Segment into Tunnel Invert	1155	253
XXXIX.b	Fig. 2. View of Meeting of Shields; and Lowering Segment into Tunnel Invert	1155	253
XL.	Sections of Tunnel During Construction, Showing Shield, Air Locks, Platforms, Etc.	1155	255
XLI.a	Fig. 1. Placing Key Segment; and Method of Grouting Outside Iron	1155	257
XLI.b	Fig. 2. Placing Key Segment; and Method of Grouting Outside Iron	1155	257
XLII.	Duct Bench Concrete Form in River Tunnels	1155	283
XLIII.a	Fig. 1. End of Portable and Adjustable Forms for Building Side Bench; and Steel Rod Reinforcement in River Tunnels	1155	285
XLIII.b	Fig. 2. End of Portable and Adjustable Forms for Building Side Bench; and Steel Rod Reinforcement in River Tunnels	1155	285
XLIV.	Details of 20-Ft. Movable Form and Traveler for Concrete Arches	1155	287
XLV.	Traveling Concrete Form for Face of Bench Walls	1155	291
XLVI.	Mechanical Analysis of Sand Used in Mortar and Concrete	1155	297
XLVII.a	Fig. 1. Views Showing Condition of Work at Site of Terminal Station	1156	307
XLVII.b	Fig. 2. Views Showing Condition of Work at Site of Terminal Station	1156	307
XLVII.c	Fig. 3. Views Showing Condition of Work at Site of Terminal Station	1156	307
XLVII.d	Fig. 4. Views Showing Condition of Work at Site of Terminal Station	1156	307
XLVIII.a	Fig. 1. Views Showing Excavation and Supports for Ninth Avenue Structures	1156	317
XLVIII.b	Fig. 2. Views Showing Excavation and Supports for Ninth Avenue Structures	1156	317
XLVIII.c	Fig. 3. Views Showing Excavation and Supports for Ninth Avenue Structures	1156	317
XLVIII.d	Fig. 4. Views Showing Excavation and Supports for Ninth Avenue Structures	1156	317
XLIX.a	Fig. 1. Views Showing Underpinning for Ninth Avenue Elevated Railway	1156	321
XLIX.b	Fig. 2. Views Showing Underpinning for Ninth Avenue Elevated Railway	1156	321
XLIX.c	Fig. 3. Views Showing Underpinning for Ninth Avenue Elevated Railway	1156	321
XLIX.d	Fig. 4. Views Showing Underpinning for Ninth Avenue Elevated Railway	1156	321
L.a	Fig. 1. Views Showing Condition of Work Between Ninth and Tenth Avenues, and Progress on Concrete Walls	1156	325
L.b	Fig. 2. Views Showing Condition of Work Between Ninth and Tenth Avenues, and Progress on Concrete Walls	1156	325
L.c	Fig. 3. Views Showing Condition of Work Between Ninth and Tenth Avenues, and Progress on Concrete Walls	1156	325
L.d	Fig. 4. Views Showing Condition of Work Between Ninth and Tenth Avenues, and Progress on Concrete Walls	1156	325
LI.a	Fig. 1. Views Showing Box Drains and Tie-Rods in Walls; the Completed Tenth Avenue Portal; and the Disposal Trestle	1156	333
LI.b	Fig. 2. Views Showing Box Drains and Tie-Rods in Walls; the Completed Tenth Avenue Portal; and the Disposal Trestle	1156	333
LI.c	Fig. 3. Views Showing Box Drains and Tie-Rods in Walls; the Completed Tenth Avenue Portal; and the Disposal Trestle	1156	333
LI.d	Fig. 4. Views Showing Box Drains and Tie-Rods in Walls; the Completed Tenth Avenue Portal; and the Disposal Trestle	1156	333
LII.a	Fig. 1. Girders Under the Ninth Avenue Elevated Railroad; Method of Supporting Elevated Railway Columns; and View of Inside of Form for Walls, Showing Drains, Tie-Rods, Etc.	1156	335
LII.b	Fig. 2. Girders Under the Ninth Avenue Elevated Railroad; Method of Supporting Elevated Railway Columns; and View of Inside of Form for Walls, Showing Drains, Tie-Rods, Etc.	1156	335
LII.c	Fig. 3. Girders Under the Ninth Avenue Elevated Railroad; Method of Supporting Elevated Railway Columns; and View of Inside of Form for Walls, Showing Drains, Tie-Rods, Etc.	1156	335
LII.d	Fig. 4. Girders Under the Ninth Avenue Elevated Railroad; Method of Supporting Elevated Railway Columns; and View of Inside of Form for Walls, Showing Drains, Tie-Rods, Etc.	1156	335
LIII.	Pennsylvania Station, New York City; Plan Showing Area at Track Level	1157	341
LIV.	Diagram Showing Widths of Base of Retaining Wall Required for Different Batters and Pressures, Pennsylvania Station	1157	349
LV.a	Fig. 1. Material Trestle Over N. Y. C. & H. R. R. R. Co.'s Tracks; and Construction of Pier No. 72, North River	1157	361
LV.b	Fig. 2. Material Trestle Over N. Y. C. & H. R. R. R. Co.'s Tracks; and Construction of Pier No. 72, North River	1157	361
LV.c	Fig. 3. Material Trestle Over N. Y. C. & H. R. R. R. Co.'s Tracks; and Construction of Pier No. 72, North River	1157	361
LVI.a	Fig. 1. Material Trestle Showing First Chutes in Operation; and Views of East and West Pits at Terminal Site	1157	363
LVI.b	Fig. 2. Material Trestle Showing First Chutes in Operation; and Views of East and West Pits at Terminal Site	1157	363
LVI.c	Fig. 3. Material Trestle Showing First Chutes in Operation; and Views of East and West Pits at Terminal Site	1157	363
† LVII.	Methods of Excavation, Cross-Town Tunnels, Manhattan	1158	393
LVIII.a	Fig. 1. Views of Parts of First Avenue Plant, Cross-Town Tunnels	1158	395
LVIII.b	Fig. 2. Views of Parts of First Avenue Plant, Cross-Town Tunnels	1158	395
LVIII.c	Fig. 3. Views of Parts of First Avenue Plant, Cross-Town Tunnels	1158	395
LVIII.d	Fig. 4. Views of Parts of First Avenue Plant, Cross-Town Tunnels	1158	395
LIX.a	Fig. 1. Methods of Tunneling, Timbering, and Lining, Cross-Town Tunnels	1158	399
LIX.b	Fig. 2. Methods of Tunneling, Timbering, and Lining, Cross-Town Tunnels	1158	399
LIX.c	Fig. 3. Methods of Tunneling, Timbering, and Lining, Cross-Town Tunnels	1158	399
LIX.d	Fig. 4. Methods of Tunneling, Timbering, and Lining, Cross-Town Tunnels	1158	399
LX.a	Fig. 1. Methods of Timbering and Underpinning, Cross-Town Tunnels	1158	407
LX.b	Fig. 2. Methods of Timbering and Underpinning, Cross-Town Tunnels	1158	407
LX.c	Fig. 3. Methods of Timbering and Underpinning, Cross-Town Tunnels	1158	407
LX.d	Fig. 4. Methods of Timbering and Underpinning, Cross-Town Tunnels	1158	407
LXI.	Sections Showing Method of Excavating and Timbering in Heavy Ground, Three-Track Tunnel; and Carriage Form for Side Walls, Cross-Town Twin Tunnels	1158	413
LXII.a	Fig. 1. Methods of Water-Proofing and Concreting, Cross-Town Tunnels	1158	417
LXII.b	Fig. 2. Methods of Water-Proofing and Concreting, Cross-Town Tunnels	1158	417
LXII.c	Fig. 3. Methods of Water-Proofing and Concreting, Cross-Town Tunnels	1158	417
LXII.d	Fig. 4. Methods of Water-Proofing and Concreting, Cross-Town Tunnels	1158	417
LXIII.	Methods of Excavation in All Rock, East River Tunnels	1159	423
LXIV.a	Fig. 1. Tunneling in Compressed Air, Air-Lock, Caisson, etc., East River Tunnels	1159	425
LXIV.b	Fig. 2. Tunneling in Compressed Air, Air-Lock, Caisson, etc., East River Tunnels	1159	425
LXIV.c	Fig. 3. Tunneling in Compressed Air, Air-Lock, Caisson, etc., East River Tunnels	1159	425
LXIV.d	Fig. 4. Tunneling in Compressed Air, Air-Lock, Caisson, etc., East River Tunnels	1159	425
LXV.a	Fig. 1. Shields Fitted with Sectional Sliding Hoods and Sliding Extensions and with Fixed Hoods and Fixed Extensions to Floors, East River Tunnels	1159	433
LXV.b	Fig. 2. Shields Fitted with Sectional Sliding Hoods and Sliding Extensions and with Fixed Hoods and Fixed Extensions to Floors, East River Tunnels	1159	433
LXVI.a	Fig. 1. Rear of Shield Showing Complete Fittings, and Shield with Lower Portion of Bulkhead Removed, East River Tunnels	1159	435
LXVI.b	Fig. 2. Rear of Shield Showing Complete Fittings, and Shield with Lower Portion of Bulkhead Removed, East River Tunnels	1159	435
LXVII.	Methods of Tunneling in Rock, East River Tunnels	1159	437
LXVIII.	Operation of Shields, East River Tunnels	1159	439
LXIX.	Operations in Shoving the Shield Forward in Rock and Sand, East River Tunnels	1159	441
LXX.a	Fig. 1. Small Shaft, Breasting and Poling, Shutters on Front of Shield, and Hydraulic Erector, East River Tunnels	1159	443
LXX.b	Fig. 2. Small Shaft, Breasting and Poling, Shutters on Front of Shield, and Hydraulic Erector, East River Tunnels	1159	443
LXX.c	Fig. 3. Small Shaft, Breasting and Poling, Shutters on Front of Shield, and Hydraulic Erector, East River Tunnels	1159	443
LXX.d	Fig. 4. Small Shaft, Breasting and Poling, Shutters on Front of Shield, and Hydraulic Erector, East River Tunnels	1159	443
LXXI.	Operations in Shoving the Shield Forward in Sand, and Final Breasting and Bulkheading, East River Tunnels	1159	445
LXXII.	Method of Operating Shields in Soft Ground, East River Tunnels	1159	453
LXXIII.a	Fig. 1. Reinforcement of Broken Plates, and Inflow of Soft Clay Through Shield, East River Tunnels	1159	455
LXXIII.b	Fig. 2. Reinforcement of Broken Plates, and Inflow of Soft Clay Through Shield, East River Tunnels	1159	455
LXXIII.c	Fig. 3. Reinforcement of Broken Plates, and Inflow of Soft Clay Through Shield, East River Tunnels	1159	455
LXXIII.d	Fig. 4. Reinforcement of Broken Plates, and Inflow of Soft Clay Through Shield, East River Tunnels	1159	455
LXXIV.	Methods of Placing Concrete Inside the Iron Tube, East River Tunnels	1159	475