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Mason & Hanger Historical Records

Overview

Scope and Contents

Administrative Information

Detailed Description

Project Files.

Oversize Project Files

Project Photographs

Publications and Office Papers

Financial & Corporate Records

Office Files

Financial Records (Ledgers)

Agricultural Records

Oversize Material

Artifacts and Memorabilia



Contact us about this collection

Mason & Hanger Historical Records, 1900-2001 | Eastern Kentucky University - Special Collections and Archives

By Daniel Weddington and Malcolm Tabor

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Collection Overview

Title: Mason & Hanger Historical Records, 1900-2001Add to your cart.View associated digital content.

Predominant Dates:1920-1970

Primary Creator: Mason & Hanger Company (1903-1941)

Other Creators: Mason & Hanger-Silas Mason Co. (1941-)

Extent: 114.0 Cubic Feet

Date Acquired: 02/23/2006

Subjects: Agriculture--Kentucky., Civil engineering., Construction contractors., Engineering., Government contractors., Military bases., Nuclear power plants.

Languages: English, Spanish;Castilian

Scope and Contents of the Materials

The Mason & Hanger Historical Records consist of company records that were in storage for many years and considered "historical" by the new parent company, Day & Zimmermann. As there was no order to the material, an order has been imposed that we believe is useful for access and which is essentially alphabetical by project. The projects include: Boston Traffic Tunnel, Brooklyn Battery Tunnel, Camp Zachary Taylor, Cannelton Locks and Dam, Carquinez Bridge, Fort Randall Dam, Gateway Army Ammunition Plant, Grand Coulee Dam, Harvey Canal Tunnel, Iowa Army Ammunition Plant, Kennedy Space Center, Lincoln Tunnel, Michoud Assembly Facility (for NASA), Pantex Ordnance Plant and the Van Wyck Expressway. There are also files relating to a number of other projects not listed here but which are listed in the finding aid. The company did major work for the Defense Department, the National Aeronautics & Space Administration (NASA) and the Atomic Energy Commission (AEC).

The primary grouping is the "Project Files" which have been ordered alphabetically and which sometimes contain the full range of documents relating to each project from initial bid to completion, including agreements, correspondence, photographs, drawings & blueprints, construction logs, progress reports, payroll and legal documents. The next series is "Financial & Corporate Records" that include financial reports, audits, correspondence, income-tax returns, minutes, newsletters and statements. Loose photographs, oversize material and ephemera are found at the end of the finding aid and generally relate back to "Project Files."

The collection also contains detailed records for various farm enterprises owned by Silas and H.P Mason.

Collection Historical Note

Founded in Virginia in 1827 by Claiborne Rice Mason, the company was originally known as the Mason Syndicate. From its first contract to move dirt using a mule, a cart, a pick and a shovel, the company has been dedicated to exceeding customers' expectations. By 1885, the firm had re-located to Kentucky where it became renowned for its many noteworthy historical projects such as the C&O Railroad's main line extension into the Ohio Valley, the Grand Coulee Dam in Washington, and Camp Zachary Taylor in Louisville. Today, as the nation's oldest continuously operating engineering and construction company, Mason & Hanger carries on the tradition of quality and customer service that C.R. Mason began with his pick and shovel 175 years ago.

In 1999, Mason & Hanger was acquired by the Day & Zimmermann Group. For more information please visit the Day & Zimmermann website.

Subject/Index Terms

Agriculture--Kentucky.
Civil engineering.
Construction contractors.
Engineering.
Government contractors.
Military bases.
Nuclear power plants.

Administrative Information

Repository: Eastern Kentucky University - Special Collections and Archives

Acquisition Source: Fitzsimmons, Robert J. (for Day & Zimmerman)

Related Publications: Sons of Martha by Dixon Lanier Merritt is a history of the Mason and Hanger Company.


Box and Folder Listing


Browse by Series:

[Series 1: Project Files.],
[Series 2: Oversize Project Files],
[Series 3: Project Photographs],
[Series 4: Publications and Office Papers],
[Series 5: Financial & Corporate Records],
[Series 6: Office Files],
[Series 7: Financial Records (Ledgers)],
[Series 8: Agricultural Records, 1933-1974],
[Series 9: Oversize Material],
[Series 10: Artifacts and Memorabilia],
[All]

Series 2: Oversize Project FilesAdd to your cart.
Folder os1: Atomic Energy Commission (AEC)Add to your cart.
Diagrams of general machinery for Pantex and Iowa Ordnance Plants (22 items).
Barcode: 31234013920812
Folder os2: Artwork: RAMP Facility Rendering, 1991Add to your cart.
Air Defense School on foam core board; Unknown Underground Facility rendering; Air Force Award Poster, 1996; Sheridan Tank firing Shillelagh Guided Rocket, painting; Laser Testing, photograph; Self Propelled Artillery Piece, enhanced photograph.
Barcode: 31234013921125
Folder os3: Boston Traffic TunnelAdd to your cart.
Blueprints: Standard Steamboat Ratchet; Form #1 Details (5 sheets); Form #2 Details (5 sheets); Form #3 Details (5 sheets); Form #4 Details (6 sheets); Form #5 Details (3 sheets); Tunnel Forms and Plates (2 sheets); Wiring Diagram; Muck Chute plans; Shield Cutting Device plans; Automatic Lock Controls [folded]; Lock Details (7 sheets).
Barcode: 31234013921133
Folder os4: Boston Traffic TunnelAdd to your cart.
Drawings and Diagrams: Study for 2nd Tube [folded]; Erection Diagrams (2 sheets); Shield Diagram; Shield Details (4 drawings); Power House (5 drawings); Details for Shield Cradle drawing; Bulkhead #1 Details (4 drawings); Bulkhead #2 Details (5 drawings); Plan and Profile diagram [folded]; Typical Cross Sections diagram; Roller Hanger for Concrete Pipe diagram.
Barcode: 31234013921141
Folder os5: Brooklyn Battery TunnelAdd to your cart.
Shield Device diagram [folded, faded, and fragile]; Power Distribution blueprint; Tunnel Ribs pencil drawings (2 sheets); Joint Layout and Inclines (3 diagrams); Steel Forms (5 diagrams); Tunnel Liner (2 blueprints).
Barcode: 31234013921166
Folder os6: Cannelton Locks and Dams, Ohio RiverAdd to your cart.
US Army Corps of Engineers: Cofferdam Loads Charts (2 pencil drawings on graph paper); Architectural Drawings of Caissons and Piers (9 sheets).
Barcode: 31234013921158
Folder os7: Carquinez BridgeAdd to your cart.
Pier 2 - General Plans (2 sheets); Anchor ties (2 sheets); Berthing Caisson Procedure (2 sheets); Prefabricated Form Panels (2 sheets); Concrete Distribution Hopper and Chute Arrangement (5 sheets); Tie Beams & Details (12 sheets); Truss & Work Platform plan; Pre-Dredge Area plan; Construction & Draft of Caisson (4 sheets); Caisson Fender (3 sheets); Pre-cast Caisson Fender (6 sheets); Stiff-Leg Derrick & Crane (5 sheets); Cable Location plan; Temporary Work Platform Bracing.
Barcode: 31234013921174
Folder os8: Carquinez BridgeAdd to your cart.
Piers 2, 3a and 3b: Caisson Construction and Draft (2 sheets); Work Platform; Rock Blanket (2 sheets); Dredge Well (3 sheets); Caisson Cutting Edge; Embedded and Form Trusses (7 sheets); Fender Construction (2 sheets); Prefabricated Form Panels (2 sheets); Force of Current on Caisson chart; Caisson Anchors (3 sheets).
Barcode: 31234013921182
Folder os9: Carquinez BridgeAdd to your cart.
Pier 3a: Fender Repair plan; Caisson Construction (3 sheets); Fender Transition Details (3 sheets); Caisson Berthing Procedure plan; Caisson Cutting Edge (3 sheets); Form Trusses and Prefabricated Sections (5 sheets); Horizontal Reference Plane (2 sheets); Caisson Wood Dome (7 sheets); Precast Fender Beams (4 sheets); Cantilever Beam plan; Towing Bumper plan; Derrick and Anchors (7 sheets); Supporting Beams and Prefabricated Panels (14 sheets); Work Platforms (3 sheets); Steel Bracing plan; Typical Section diagram; Derrick and Hoist (2 sheets).
Barcode: 31234013921190
Folder os10: Carquinez BridgeAdd to your cart.
Pier 3b: Fender Transition and Details (2 sheets); Caisson Berthing Procedure plan; Typical Fender Section diagram; Fender Beams and Details (22 sheets); Derrick Support Beams and Anchors diagram; Work Platforms plan (4 copies); Cast-in-Place Fender Beams (4 sheets).
Barcode: 31234013921208
Folder os11: Carquinez BridgeAdd to your cart.
3a and 3b (in common): "Suggested Method of Attaching Anchor to Caisson" drawing; Bracing for 24" Pipe Caissons drawing; Pier 3 Soundings graph; Caisson Construction and Draft (4 sheets); Existing Fender Plan and Profile; Substructure Foundations (4 sheets); Dredge Well Form Assembly diagram (4 copies); "Typical Forming for Cast-in-Place Fender Beams" plan; Pre-Dredge Area diagram; "Pile Snubber Cable Location and Details" diagram (2 copies).
Barcode: 31234013921216
Folder os12: Carquinez BridgeAdd to your cart.
Piers 4, 5 and General Plans: General Plan Substructure diagram; For Closing Dredging, drawing on graph paper [very faded]; Berthing to Caissons diagram; Insurance Losses and Gains graph; "Suggested Method of Attaching Anchors to Caisson" diagram with notes.; General Foundations and Foundations for Piers 4 and 5 (4 sheets); Abutment #1 (2 sheets); Caissons and Details (3 sheets); Pier 4 and Fender (3 sheets); Pier 5 (2 sheets); Test Boring Logs (2 charts); Power Distribution for Construction plan; Sub-Structure diagram; Plant Layout, Derricks, and Bracing of Pile Platforms (6 sheets); Concrete Barge diagram; Gas And Water Supply diagram; Caisson Anchor Details plan; Pier 4 Details - Cofferdam, Forming Layout, and Method of Construction (10 sheets); Caisson Forms and Anchor Details diagram.
Barcode: 31234013921224
Folder os13: Delaware Memorial Bridge, 1947-1948Add to your cart.
Sketches in pencil planning Pie Caisson work, including 2 alternate plans; Proposed Finished Bridge and Area Map blueprint; Piers A-D Details - Shape, Caissons, and Concrete Filling Method (13 blueprints); Cutting Edge of Piers B and C Cofferdam blueprint; Piers B and C Cutting Edge, Cofferdam, Caissons, and Working Platforms (4 drafts); Piers A and D Working Platform (draft).
Barcode: 31234013921232
Folder os14: Devices and Machine PlansAdd to your cart.
From Assorted Projects: A.C. Automatic Starting Panel, Sundh Electric Co. 1928; Unidentified Tunnel Apparatus; Union Battleship Skip 5 cu. yards, Union Iron Works 1934; Shield Jack, Bethlehem Steel Co. 1928-30; Bolting Gantry [folded]; Hoist for Drill Carriage and Car Picker, 1938; Proposed Drill Carriage, Delaware Aqueduct, Samuel R. Rosoff, Ltd. 1939 (2 sheets); Tunnel Carriage, Sullivan Machinery Co. 1927; Drill Carriage and Car Picker, Walsh Construction Co. 1939; Commercial Tunnel Lining Material, Pennsylvania Turnpike 1939; Single Fixed Drum Electric Elevator Hoist, J.S. Mundy Hoisting Engine Co. 1928; Wagon Drill Carriage, Ring Drilling, Woodcrest Construction Rosoff Bros. Inc. 1920's; Alterations for Bolting Machine, Watson-Stillman Co. 1934 (2 sheets); Bolting Machine, Q.P. Packing.
Barcode: 31234013921240
Folder os15: DevicesAdd to your cart.
Railway: Dumping Muck Car, Union Iron Works 1938; Stationary Platform, American Locomotive Co. 1930; Gravel Monorail, New York Engineering Co. 1946 (4 sheets); Heavy Duty Excavating Bucket, Penn Iron Works 1946; Car Platform, American Car and Foundry Co Pleasantville Constructors Inc. 1940; Concrete Carrier Car, Easton Car and Construction Co. 1947; Rocker Dump Car, Koppel Industrial Car and Equipment Co. 1929; Muck Loaders Unit, Jeffrey Mfg Co. 1934 (Fort Peck Dam); 4
Barcode: 31234013921257
Folder os16: Dragon Gas Thermal Gas Generator, 1979Add to your cart.
Process Flow Diagram including Material and Energy Balance chart; Draft diagram of SO2-NOx Cleanup Vessel; Flow diagram with Alternates (2 sheets); Burner Section, Reactor and Details diagram; Piping and Instrumentation diagram; Steam and Water Flow diagram; Complete Plans, water stained, faded on right top corners (5 sheets); Flow diagram for Oil Recovery; Concept design for Thermal Gas Generator; Partial plans (3 sheets).
Barcode: 31234013921265
Folder os17: Fort RandallAdd to your cart.
Blueprints; Concreting Structures (2 sheets); Platform Steel Details; Drill Jumbo; Rail Support Bracket [folded]; Construction plans with index (24 sheets).
Barcode: 31234013921273
Folder os18: Fort RandallAdd to your cart.
Drawings and Diagrams; Progress Chart; Saw Machine (4 drawings); Plant Layout drawing; Saw Carriage and Details [9 sheets, folded]; Method of Excavation diagram [folded]; Drill Jumbo diagram [folded]; Saw Carriage Drive Assembly [2 sheets, folded]; Progress chart 1950; Saw Application Studies (3 sheets).
Barcode: 31234013921281
Folder os19: Fulton Street TunnelAdd to your cart.
Sounding blueprint [fragile, folded in mylar - both sides visible]; Gravel and Sand Bins pencil drawing; Tunneling Devices (2 sheets); Tunneler diagram, noted "Never was used"; Medical Lock diagram; Sliding Platform diagram; Safety Screen diagram; Bridge Plaza Station, General Layout and Study diagram. Very large, folded.; "Proposed Device to Prevent Wrenches from Slipping" diagram; Steel Arch Base Details diagram; Proposed Building Methods [7 sheets, folded].
Barcode: 31234013921299
Folder os20: Green Mountain Missile PlantAdd to your cart.
Artistic Rendering Cut-away View of Completed Plant; Area Elevations (pencil on graph paper); Location Pla Area Topography drawing; Seismic Study diagram; Geophysical Study drawing; Proposed Layout (2 copies); Proposed Layout with Area Topography Inset (pencil drawing and printed diagram); Pictorial Layout, Proposed (pencil draft and printed diagram); Details (draft and diagram); Project Organization Flow Chart.
Barcode: 31234013921307
Folder os21: Harvey Canal TunnelAdd to your cart.
Blueprints; Topography and Right-of-Way (8 sheets); General Plan East and West Approach (2 sheets); Geometrics (3 sheets); General Arrangement (5 sheets); Portals and Cross Sections (3 sheets); Foundation Plans (2 sheets); Pump Rooms (3 sheets); Ventilation Buildings (4 sheets); Waterproofing Plan; Niches (2 sheets); Stairs, Ramps, and Bulkheads (8 sheets); Boring Logs (7 sheets); Bulkheads (2 sheets); Pumps and Ventilation System (8 sheets); Electric Diagrams and Lighting (6 sheets); Conduits Transformer and Electric Details (5 sheets); Service Road Plans, Road Sections, and Paving (4 sheets); Drainage and Culverts (5 sheets); Grading Plans (4 sheets); Signs and Property Details (3 sheets).
Barcode: 31234013921315
Folder os22: Harvey Canal TunnelAdd to your cart.
Drawings and Diagrams; Earning Losses chart [graph paper, folded]; Progress Charts (5 sheets); Concrete and Cofferdam (2 pencil drawings); Mid-Tunnel Bulkhead diagram; Cofferdam Stage II and IIIa (8 sheets); Cofferdam Layout (2 pencil drawings); Cofferdam Layout, Bracing, and Stage Ib (4 sheets); Timber work & Trusses (6 sheets); Bulkhead Wall Piling Anchorage diagram; Beams and Struts (5 sheets); Trusses and Piles (5 sheets); Cofferdams & Waterproofing (4 sheets).
Barcode: 31234013921323
Folder os23: Havana Tunnel, CubaAdd to your cart.
2 drawings of area and proposed plan.
Barcode: 31234013921331
Folder os24: Iowa Ordnance PlantAdd to your cart.
Enclosed Test Structure diagrams (3 sheets); Design Materials and Construction Chart for Reactivation of Load Line 4A.
Barcode: 31234013921349
Folder os25: JAIRIFF and Patent WorkAdd to your cart.
Calculation Sheet for Offshore Drilling Platform (pencil drawing) [very fragile]; Map of Test 1; Assembly Detail diagrams (3 sheets); Set-up and Procedure diagram; Supporting Structure diagram; Rotary Table and Pipe Clamp Assembly diagram.
Barcode: 31234013921356
Folder os26: Lackawack DamAdd to your cart.
Area Maps for Water Supply and Sewage (4 sheets); Area Maps for Power Lines and Piping (4 sheets); Erroneous Elevation graph and its Correction (2 sheets); Map for Building Locations at Site 1 (pencil drawing); Area Maps for Plant Layout: Roads, Buildings, and Property Lines (2 sheets); Sewer Lines plan (pencil drawing); Architectural drawings for Offices, Compressor Houses, Locker Houses (8 drawings); Diversion Tunnel diagrams (3 sheets, one in pencil); Hoist Machinery (2 blueprints); Tunnel Lining Unit blueprint; Concrete Loading Platform blueprint; Loading Slide blueprints (4 sheets); Differing Railcars including Muck and Dumping Cars blueprints (8 sheets); Large Drill Carriage and Car Picker drawing; Muck Car Safety Device drawing; Sewage Works blueprints (2 sheets); Drill and Tunnel Hoist Carriage plans (3 sheets); Plans for Conveying Material into and out of Tunnel (4 sheets); Ribs and Rock Support plans (5 sheets); Large Chlorine House drawing.
Barcode: 31234013921364
Folder os27: Lincoln TunnelAdd to your cart.
Blueprints; Ring Details, Castings, and Weights (13 sheets); North Tunnel Interior Details (3 sheets); General Layout and Structures (5 sheets); New Jersey Site plan; Compressor House and Details (6 sheets); Construction Plant (2 sheets); Light and Power Details.
Barcode: 31234013921372
Folder os28: Lincoln TunnelAdd to your cart.
Drawings and Diagrams; Progress Charts; River Tunnel Concreting (2 drawings); Bulkhead Cross-Sections diagram; Topography drawing; Fathometers Survey on graph paper; Ventilation Shaft diagrams (2 sheets).
Barcode: 31234013921380
Folder os29: Merriman DamAdd to your cart.
Sewage Disposal Plant blueprints (2 sheets).
Barcode: 31234013921398
Folder os30: Mid-Town Hudson Tunnel (MHT)Add to your cart.
Blueprints; "Hudson River Vehicular Tunnel - Rings" 1922; MHT-4 (contract number) Plans, Tunnel Details, Concrete (4 Sheets); MHT-4 Hydraulic Bolting Machine (2 sheets); MHT-50 Rings and Bolts (2 sheets); MHT-51 New York River Shaft; MHT-51 Plans, Index on 1st sheet (9 sheets); MHT-51 Bolt Detail; MHT-51 Glass Tile.
Barcode: 31234013921406
Folder os31: Mid-Town Hudson TunnelAdd to your cart.
Drawings and Diagrams; Wiring Diagrams and Power Details (7 sheets); Progress Charts (3 sheets); Sockets and Sprockets diagrams (2 sheets); General Plans diagrams (6 sheets); Silt Removal and Sump diagrams (2 sheets); Site Buildings diagrams (6 sheets); Boiler House drawing; Contractor's Plants diagram.
Barcode: 31234013921414
Folder os32: Navy Ordnance WorkAdd to your cart.
General (possibly Nebraska Ordnance Plant); Progress Chart for Iowa Ordnance Plant, Cornhusker Ordnance Plant, Pantex, and Nevada Test Site; Progress Charts for (possible) Nebraska Ordnance Plant (2 pencil charts); Flow Charts for 5" 3, 5" 54, and 7.2" Projectiles; Propellant Container Equipment diagrams (2 sheets); Proposed Schematic Flow and Equipment (pencil draft and printed diagram); Fiberboard Shipping Box diagram (2 copies); Plan to Secure Cartridge Case Tank; Aluminum Powder Storage Building diagram; Schematic Cyclotol for Pouring HBX-1 (2 copies); Flow Charts for 5", 5" 38, 5" 54 Projectiles (2 sheets); Flow Chart for 7.2" Projectiles [3 drawings, folded]; Unlabeled Flow Chart, Plant Operation."
Barcode: 31234013921422
Folder os33: Navy OrdnanceAdd to your cart.
5" Projectile Diagrams: Propellant Weighing Feeding Turntable diagrams (2 sheets); Adapting 5" Projectile Layout to Existing Building (5 sheets, 2 copies each); Operation Equipment Layout for Cartridge Cases (5 sheets, 2 copies each); Line Layout diagram (3 copies); Building diagrams and Locations (5 sheets); Tilting and Transfer Mechanisms (2 sheets); Base Plug (2 sheets); Gas Check Insertion diagram; Turntables and Conveyors (7 sheets); Alternate Dispenser for Nose Plug Gasket diagram (2 copies); Fiberboard Shipping Box diagram (2 copies); Operational Layouts (7 sheets, one with copy); Schematic Flow diagrams (2, 1 with 3 copies and 1 with 4 copies); Line Layout and Facilities in New Building (10 Sheets).
Barcode: 31234013921430
Folder os34: Navy OrdnanceAdd to your cart.
5" 38 and 5" 54 Projectiles Diagrams: Priming Processes diagrams (3 sheets); Inverting Mechanism (2 sheets); Various Conveyors (4 sheets); Rotary Tables for Filling and Gaging Propellant Charge diagram; Cartridge Case Machines and Processes (11 sheets); Tank Pallet Loader (2 sheets); Cartridge Case Disassembly, Loading, Assembly Machines (3 sheets); Gluing Machines (2 sheets); Cartridge Printing Machine diagram; Gluing and Sealing Machine diagram; Distance Piece Machines and Processes (5 sheets); Lead Foil Ball diagrams (3 sheets); Flow Charts for Plant Processes (2 diagrams, 2 copies each); Assorted Conveyors (10 sheets); Marking Mechanism; Fuze Tensioning Device; Paint Spraying Process; Filling and Pressing Operations (3 copies); Waterproofing Cap Assembly; Linear Insertion Device; Filling and Pressing Operations (2 sheets); Flow Charts for Plant Operations (3 charts, 2 with 2 copies each).
Barcode: 31234013921448
Folder os35: Navy OrdnanceAdd to your cart.
7.2" Projectile Diagrams: Shipping Box Diagram (3 copies); Schematic Flow and Equipment diagram; Heat Inverter and Tilting Devices (2 sheets); Painting Mechanism; Hot-Melt Turntable (2 sheets); Weighing Equipment and Cooling Tank (3 sheets); Cartridge Case Loading and Assembly Turntable; Insertion Mechanisms (3 sheets); Tensioning Devices (3 sheets); Mechanism to Place Rubber O-Ring; Rotary Tables for 24-Hour Storage; Cartridge Case Press and Luting Devices; Nose Cap Tensioning Device (2 copies); Aluminum Powder Storage and Conveyor; Marking and Inspection Machines (2 sheets); Box Opener and Dumper; Tail Tensioning Machine; Box Loading and Shipping Process (4 sheets); Control Diagram for Melt-Pour Process; Fuze Seat Liner Thread Luting Device (2 sheets); Mechanical Asphalt Cutter; Operational and Equipment Layout for Different Stages (7 diagrams, 2 copies each); Schematic Flow and Equipment Diagram; Operation and Equipment Layout for Melt-Pour Building (3 copies); Operation and Equipment Layouts for Different Buildings (5 diagrams, 2 copies each); General Line Layout (4 copies); Boiler and Lunch Room diagrams (2 copies each); Operation and Equipment Layouts for Buildings (2 diagrams, 2 copies each); Operational Illustration (2 copies); Flow Chart.
Barcode: 31234013921455
Folder os36: Nevada Test SiteAdd to your cart.View associated digital content.
Test Structure Plans: General Plan diagram; Sections diagrams (2 sheets); Catenary Cable Layout Details; Storage Bay; Entrance Door; Backfill Plan; Tunnel Baffles.
Barcode: 31234013921463
Folder os37: New York City TunnelsAdd to your cart.
Ray's Hill Tunnel Machinery blueprints (5 sheets); Pier at Foot of West 39th Street (1890) blueprints (4 sheets); Gravel Elevator for Battery Park Tunnel (3 drawings); Ray's Hill Tunnel Pennsylvania Turnpike blueprints (4 sheets); Ray's Hill Tunnel Ventilation Piping blueprints (2 sheets); Elbow and Sleeve Couplings blueprint, Church St.; Queens Mid-Town Tunnel Steel and Timber Supports blueprint; Delaware Aqueduct blueprints (4 sheets); Progress Chart.
Barcode: 31234013921471
Folder os38: North Metropolitan Relief SewerAdd to your cart.
Structural Details blueprint; Muck and Flat Car blueprints (2 sheets); Proposed Tunnel Lining blueprint; Well Equipment, Shaft Platforms, and Muck Cars (5 drawings); Chelsea Sewer blueprints (4 sheets); Everett and Chelsea Sewer blueprints (4 sheets).
Barcode: 31234013921489
Folder os39: North River Water Pollution Control Project (WPCP), 1973-1976Add to your cart.
New York: Rough Renderings of Tunnel Shape, Elevations [2 graph paper sheets, folded]; Work Progression Chart by Project [2 graph paper sheets, folded]; Concrete point map Outline of work done and work needed; Tunnels, Construction Shaft through Supported and Unsupported Rock (2 drawings); Route & Key Plan for sewer along Miller Highway, NY (2 drawings).
Barcode: 31234013921497
Folder os40: Ortiz Placer DevelopmentAdd to your cart.
New Mexico (1 sheet)
Barcode: 31234013921505
Folder os41: Pantex Production and Assembly FacilitiesAdd to your cart.
Floor Plans (2 sheets).
Barcode: 31234013921513
Folder os42: Rutger's Street TunnelAdd to your cart.
Plant Layout Study drawing; Soundings blueprint; Progress Chart; Shaft and Pier Plans and Progress (3 diagrams); Wiring Diagram for Cage Hoists blueprint; Shims for Special Casings diagram; Proposed Building Methods [4 folded diagrams].
Barcode: 31234013921521
Folder os43: Saint Andrew's Sound and Satilla River, GAAdd to your cart.
2 Sounding Maps [reason for inclusion in collection unknown].
Barcode: 31234013921539
Folder os44: 60th Street TunnelAdd to your cart.
Complete Contract Blueprints with index.
Barcode: 31234013921547
Folder os45: Waukegan Harbor PCB Contamination RemovalAdd to your cart.
Subsurface Investigation Diagrams and Figures. (13 sheets)
Barcode: 31234013921554
Folder os46: Mason, Hanger and Coleman Company Charter.Add to your cart.
Barcode: 31234013921562

Browse by Series:

[Series 1: Project Files.],
[Series 2: Oversize Project Files],
[Series 3: Project Photographs],
[Series 4: Publications and Office Papers],
[Series 5: Financial & Corporate Records],
[Series 6: Office Files],
[Series 7: Financial Records (Ledgers)],
[Series 8: Agricultural Records, 1933-1974],
[Series 9: Oversize Material],
[Series 10: Artifacts and Memorabilia],
[All]


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