Series I: Reports, 1923-1946 

Series II: Inventories, 1923-1941 
Series III: Correspondence and Construction File, 1923-1940
Series IV: Manuals and Catalogs, 1923-1945
Series V: Maps, Plans, and Oversize Material, 1896-1930

Series I:  Reports,  1923-1946

Box 1
Daily Reports of Operations at Trinity Camp

1/1 1931
1/2 January 1936 – June 1936
1/3 July 1936 – December 1936

Timesheets

1/4 April 1923 – August 1923
1/5 September 1923 – December 1923
1/6 January 1924 – June 1923

Box 2

2/1 July 1924 – August 1924
2/2 September 1924 – December 1924
2/3 January 1925 – July 1925
2/4 January 1927
2/5 September 1929 – October 1929
2/6 November 1929 – December 1929
2/7 July 1931 – August 1931

Box 3

3/1 January 1932 – June 1932; August 1932
3/2 1933
3/3 1934
3/4 1936
3/5 1938
3/6 1939
3/7 1942
3/8 1943
3/9 March 1944; December 1944
3/10 March 1945

Shift Report and Cost Sheets

3/11 1924
3/12 1925
3/13 January 1926 – June 1926
3/14 July 1926 – December 1926
3/15 January 1927 – June 1927
3/16 June 1927 – December 1927
3/17 1928
3/18 1929

Daily Reports for Day and Night Shifts

3/19 January 1936 – October 1936
3/20 November 1936 – December 1936

3/21 Daily Reports for Day and Night Shifts, January 1937 – August 1937
3/22 Distribution of Labor (incomplete), 1924-1944

Box 4
Distribution of Labor and Payroll Reports 1923-1946

Box 5
Powerhouse Reports

5/1 1924
5/2 1925
5/3 1926
5/4 1927

Box 6

6/1 1928
6/2 January 1930 – June 1930
6/3 Jul 1930 – December 1930
6/4 January 1931 – June 1931
6/5 July 1931 – December 1931
6/6 (incomplete), 1932-1936

6/7 Daily Logging Reports, August 1923
6/8 Daily Sawmill Reports, 1923-1924

Box 7
7/1 Daily Log Records, July 1923 – September 1923; 1924; 1930
7/2 Daily Lumber Records, August 1923 – September 1923; July 1930
7/3 Layoff Request Forms, ca. 1930
7/4 Accident and Injury Reports, 1928
7/5 Unidentified employee (?) lists 1928, 1931

Series II: Inventories, 1923-1945

Box 7, cont.
7/6 Supply Inventory, ca. 1938
7/7 Food Supply Reports, July 1929; October 1929 – November 1929
7/8 Commissary Supplies A-C, 1927-1940

Box 8
Commissary Supplies

8/1 D-M, 1927-1940
8/2 N-R, 1927-1940
8/3 S-Z, 1927-1940

8/4 Road House and Boardinghouse, 1930-1931
Tally Books

8/5 1923
8/6 1924

Box 9

9/1 March 1925; May 1925; July 1925
9/2 August 1925 – September 1925
9/3 1926
9/4 1927
9/5 February 1928 – June 1928
9/6 July 1928 – September 1928

Box 10

10/1 October 1928 – December 1928
10/2 March 1929 – May 1929
10/3 June 1929 – July 1929; September 1929 – October 1929
10/4 October 1929 – December 1929
10/5 February 1930 – May 1930

Box 11

11/1 July 1930 – October 1930
11/2 April 1931 – May 1931; August 1931 – January 1932
11/3 January 1932 – November 1933
11/4 undated

Series III: Correspondence and Construction File, 1923-1940

Box 11, cont.
11/5 Correspondence and Construction Information, 1923-1940

Series IV:  Manuals and Catalogs, 1923-1930

Box 11, cont.

Equipment Catalogs and Manuals

11/6 1923-1928

11/7 1928-1930

 

Series V:  Maps, Plans and Oversized Materials, 1896-1930

Subseries 1 - Maps, 1914-1930

Folder 1
1/1 Leavenworth No. 1 Chelan County, WA, 1914
1/2 Contour Map Royal Development Co. Mill, 1930
1/3 Levels for Mill Site, Undated
1/4 Topographic Map (Unknown Location), Undated
1/5 St. Francis and Leprechaun Tunnels, Undated
1/6 Topographical Map (Unknown Location), Undated
1/7 Topographic Map of Proposed Water Supply from Intake on James Creek to Proposed Intake On Alpine Creek, 1924
1/8 Topographical Map (Unknown Location), Undated
1/9 Brunton Survey for Trinity Road Improvement, Undated
1/10 Pre-Road Survey Trinity to Little Giant, Undated
1/11 Hydraulic Investigation Railroad Creek near Lucerne, Washington Gauging Station Layout, Undated
1/12 Trinity Tunnel Track Levels # 2, Undated
1/13 Trinity Tunnel Track Levels # 3, Undated
1/14 Trinity Tunnel Ventilation Problem, Undated
1/15 Topographic Map of Steam Line Mill, Undated
1/16 Profile of James Creek Power Line, Undated
1/17 Profile of Phelps Creek Power Project, Undated
1/18 Profile of Plumbing, Undated
1/19 Profile of Crushing Unit/ Topographic Map of Mill Site, Undated
1/20 Profiles of Crusher and Mill, 1930
1/21 Profile of Trinity Tunnel Site, 1924

Subseries 2 - Plans, 1896-1930

Box 12

12/1 Belt Conveyor Rolls undated
12/2 Cable Bracket Detail 1928
12/3 Car Wheels undated
12/4 Circuits, Connectors, and Connections 1924, 1926, 1930
12/5 Compressors, undated
12/6 Crushing Unit undated
12/7 Gears and Sprockets 1930
12/8 Installation Drawing 1928
12/9 Ore Scraper 1924-1925
12/10 Ore Chute (underground) undated
12/11 Short Radius Bends undated
12/12 Sketch showing Grizzlys Set Up Bulldozing Chamber undated
12/13 Trinity Tunnel, 1930
12/14 Unidentified Machinery Specifications undated

Folder 2

2/1 Government Standard Scale Works, Undated
2/2 "Little Trammer" Locomotive, Undated
2/3 Safety Hoisting Cage, 1913
2/4 Safety Hoisting Cage, 1913
2/5 Assembly 40 H.P. Single Drum Mine Hoist, 1929
2/6 48" Union Iron Works Carriage Assembly R.H., 1925
2/7 Safety Cross Head for Bucket Hoisting, Undated
2/8 Setting Plan for 3 3/4" X 3 3/8" Type "H" 2 Stage Air Compressor - Belt Drive, 1926
2/9 Lubricating Oil Piping Engine to Filter for 1, 2 & 3 Cylinder 14 X 17 Diesel Stat. Engine, 1928
2/10 Exhaust Conduit, 1926
2/11 Type FMQ2 Mtg. - Ward Leonard Rheostat, 1929
2/12 Pipe Connection Plan, 1926
2/13 Foundation Plan 14 X 17 - 6 Cylinder Station Diesel Engine, 1929
2/14 Foundation Plan 200 H.P. "Y" Engine D.C. to 170 K.V. Alternator, 1922
2/15 Semi - Automatic Starter - Reduced Voltage, 1930
2/16 40 H.P. Single drum Hoist Foundation Plan, 1929
2/17 10 cubic feet Bottom Dump Bucket, 1930
2/18 Friction Rope Feed, 1907
2/19 Details Friction Rope feed, 1907

Folder 3
3/1 Muller Ore Jig - Sheet 132, 1896
3/2 Muller Ore Jig - Sheet 133, 1896
3/3 Muller Ore Jig - Sheet 134, 1896
3/4 Muller Ore Jig - Sheet 135, 1896
3/5 Muller Ore Jig - Sheet 136, 1896
3/6 Muller Ore Jig - Sheet 139, 1896
3/7 Muller Ore Jig - Sheet 140, 1896
3/8 Part List of 14 H.R. - Hoist, 1929
3/9 Part List of 9 H.R. Special Little Tugger Hoist, 1927
3/10 9 H.R. - Little Tugger Hoist, 1927
3/11 14 H.R. - Little Tugger Hoist, 1929
3/12 D.W.G. 769, 1928
3/13 Air Operated Loading Chute, 1929
3/14 Layout of Class "C" Hydrant Shoe, 1930
3/15 2½” x 14" - 4 Stage Multiplex Vertical Sinking Pump, 1927
3/16 16 inch Direct Connected Fan, 1928
3/17 The Dorr Classifier, 1927
3/18 Class "C" Hydrant Shoe with Auxiliary Valve, 1930
3/19 30" Pelton Impulse Turbines, undated
3/20 Sleeve and Large Tip, undated
3/21 The Dorr Co. intake connection to pump body 1926
3/22 Dorr Co. Classifier, 1930
3/23 The Dorr Thickener, 1927

Folder 4
4/1 The Dorr Co Filter, 1929
4/2 Standard Diagram for Mine Signals, 1926
4/3 Signal Bell Panel for Engine Stands, 1923
4/4 Switchboard - Crushing Unit, 1930
4/5 Switchboard, 1928
4/6 Lightning Arrestor, 1922
4/7 Generator (Outline) - Sheet 1, 1928
4/8 Generator (Outline) - Sheet 2, 1928
4/9 Generator (Outline) - Sheet 3, 1928
4/10 Cross-section M&T Scale (sheet one), undated
4/11 Truss lever M&T Scale (sheet two), undated
4/12 Cast-Iron Base, 1921
4/13 Foundation Plan for 20 - 35 H.P. Jr. Electric Hoist, 1925
4/14 Fahrenwald 32" Cell Flo Machine with Structural Steel Frame, 1929
4/15 Speed Regulator Limit Switch Assembly, 1928
4/16 Motor driven Speed Regulator Assembly, 1928
4/17 45 H.P. Electric Mine Hoist, 1929
4/18 25 H.P. Electric Mine Hoist, 1929
4/19 2 13/16" Shaft Macintosh Flotation Machine, 1930
4/20 24" Shaft Macintosh Flotation Machine, 1929
4/21 Assembly (Locomotive) undated
4/22 General Plan, 1899
4/23 Assembly D68 1919
4/24 Assembly D68 1919

Folder 5
5/1 Single Screw Column, 1926
5/2 Mine Hoist Signal Circuit, 1930
5/3 Mine Hoist Signal Circuit, 1925
5/4 Hopper Plates, undated
5/5 Toggle Joint Seat, 1930
5/6 Construction Details Fine Grinding Section, 1930
5/7 Single Sheave Block, 1925
5/8 Single Sheave Block, 1925
5/9 Crusher Circuit, 1930
5/10 Truss Plates Detail, 1930
5/11 Conveyor Control Circuit, 1930
5/12 Conveyor Control Circuit, 1930
5/13 Parts for 4 1/2" Special Column Bar, 1929
5/14 Details of Plate for Trusses of Crushing Unit, 1930
5/15 Special Gate Valve and Feeder Assembly, 1930
5/16 Geary - Jennings Sample Cutter, 1929
5/17 Revolving Screen, 1917
5/18 Short Radius Bends, Undated
5/19 Self - Dumping Skip for Vertical Shaft, Undated
5/20 Unknown Plan, Undated
5/21 Unknown Plan, Undated
5/22 D.F.C. Muffle, Undated

Folder 6
6/1 Layout of Gravel Screening and Loading Plant May 3, 1930
6/2 Wheel End Door – Ore Car for Talache Mines Inc. September 1, 1922
6/3 No. 3 Conveyor (fragile) undated
6/4 No. 4 Conveyor (fragile) undated
6/5 No. 5 Conveyor (fragile) undated
6/6 No. 5 Conveyor undated
6/7 No. 6. Conveyor undated
6/8 30’ Belt Conveyor undated
6/9 Picking Ore Car August 17, 1929
6/10 21 cu. ft. Skip with Cage July 24, 1915
6/11 Underground Battery Charging Station July 11, 1930
6/12 Underground Battery Charging Station July 11, 1930
6/13 Detail of Gate August 10, 1930
6/14 Detail of Gate August 11, 1930
6/15 Roof Trusses for Concentrating Units June 30, 1930
6/16 Fine Grinding and Concentrating Unit January 25, 1930
6/17 Fine Grinding and Concentrating Unit January 25, 1930
6/18 Fine Grinding and Concentrating Unit April 15, 1930
6/19 Fine Grinding and Concentrating Unit June 7, 1930
6/20 Section Details of Fine Ore Bin and Concentrating Units January 25, 1930
6/21 Section Details of Fine Ore Bin and Concentrating Units April 9, 1930
6/22 External View of Fine Grinding and Concentrating Mill June 18, 1930
6/23 External View of Fine Grinding and Concentrating Mill (damaged) June 18, 1930
6/24 External View of Fine Grinding and Concentrating Mill (damaged) undated
6/25 Construction Details Fine Grinding Section January 14, 1930
6/26 Detail of 15 cu. ft Bucket Crosshead and Chute March 19, 1929
6/27 Plan of Crushing Unit February 6, 1930 / Truss Diagrams for Fine Grinding Section January 8, 1930
6/28 Plan of Crushing Unit April 5, 1930
6/29 Plan of Crushing Unit May 15, 1930
6/30 Plan of Crushing Unit undated
6/31 Detailed Sections thru Crushing Unit April 10, 1930
6/32 External View – Crushing Unit (Fragment) February 11, 1930
6/33 Construction Details Fine Crushing Section August 14, 1930
6/34 Roof Trusses of Crushing Unit June 15, 1930
6/35 Section of Crushing Unit April 15, 1930
6/36 Section of Crushing Unit April 15, 1930
6/37 Flow Sheet of Preliminary Plan of Crushing Section undated

Folder 7
7/1 No. 1 Apron Conveyor July 14, 1930
7/2 Rotary Car Dump September 8, 1930
7/3 Rotary Car Dump September 8, 1930
7/4 42” Steel Frame Fahrenwald Flotation Machine Assembly ca. 1929
7/5 Flotation Cell August 2, 1930
7/6 Cage Details B.C. Silver Mines Ltd. November 30, 1926
7/7 H.S.B.C.-H-S-I October 18, 1929
7/8 Assembly 4.0” x 16’ Screen Clifton Applegate undated
7/9 Assembly of 27 cu. ft. skip and cage March 25, 1929
7/10 Fine Ore Bin undated
7/11 Detail of Fine Ore Bin undated
7/12 Detail of Coarse Ore Bin & Filter Section Truss June 27, 1930
7/13 Coarse Ore Bins July 7, 1930
7/14 Details of Oreways undated
7/15 Preliminary Planner for Concentrator (damaged – partial plan) undated
7/16 Sectional Views of Crushing unit undated
7/17 Details of Penstock Connections August 23, 1928
7/18 Ore Scraper March 23, 1925
7/19 Combined Skip and Cage for Shaft Sinking March 7, 1929
7/20 Assembly and Detail Drawing of Loading Platform June 22, 1923
7/21 Detail of Chutes undated
7/22 Detail of Chutes August 7, 1930
7/23 Detail of Chutes August 12, 1930
7/24 Special Gate Valve and Feeder Assembly (Fragile) undated
7/25 Double Lip Bagley Scraper June 13, 1921
7/26 Belt Conveyor undated
7/27 Blake Crusher Surge Bin and Shaker Screen July 12, 1930
7/28 Conveyor (“#10139”) undated
7/29 Blower August 27, 1924
7/30 32” Cell Union Iron Works Gravity Flotation Machine February 18, 1928
7/31 19 cu. ft. skip with cage August 24, 1915
7/32 Detail of Coarse Ore Bin Filter Section Trusses June 27, 1930
7/33 Flow Sheet September 11, 1930
7/34 Diesel Engine Foundation July 16, 1930
7/35 150 Level undated
7/36 Pipe Connection Plan September 28, 1929
7/37 Conical Ball Mill May 27, 1930
7/38 Concentrate Bin June 1936
7/39 Heating Plant undated
7/40 Boiler Room undated

Folder 8
8/1 Floor Plan undated
8/2 Oil Storage Tank Foundation June 5, 1930
8/3 Square Set Timbering July 7, 1930
8/4 Kewanee Boiler undated
8/5 Powder Magazine February 27, 1924
8/6 Wood Tank Phelps Creek Unit Trinity Power Project April 10, 1926
8/7 Mill Transformer Station May 29, 1930
8/8 Plan of Power House (James Creek Power Project) April 28, 1923
8/9 Power House Extension August 1, 1928
8/10 Force Diagram of Floatation Roof undated
8/11 Proposed School Building undated
8/12 School House September 4, 1929
8/13 Plan of Store House May 2, 1923
8/14 Front Elevation (unidentified building) undated
8/15 Plan of Family House in Respect to Lot August 26, 1929
8/16 Elevation of End of Crushing Building undated / Plan of unidentified building undated
8/17 Proposed camp residence undated / unidentified drawing undated
8/18 Plan of unidentified building (Conveyor systems) undated
8/19 Plan of Mueller Hood Furnace system (3 pages) undated
8/20 Force Diagram of Fine Grinding Section (Fragile) undated
8/21 Coarse Ore Bin (fragment - fragile) undated
8/22 Marcy Ball Mill (fragment - fragile) undated
8/23 Plan of unidentified machinery (“#629”) undated
8/24 Section drawing of unidentified building undated
8/25 Plan of unidentified building undated
8/26 Unidentified Plan undated
8/27 Unidentified Plan undated
8/28 Unidentified Plan undated
8/29 Unidentified Plan undated
8/30 Unidentified Plan undated
8/31 Unidentified Plan undated
8/32 Unidentified Plan (fragment) undated
8/33 Unidentified Plan (fragment) undated
8/34 Unidentified Plan (fragment) undated

Subseries 3 - Oversize Material, 1929-1930

Folder 9

9/1 Royal Development Company Trinity Camp Organizational Chart, Undated
9/2 Daily Report Trinity Tunnel Operations, 1929
9/3 Daily Report Trinity Tunnel Operations, Jan. 1930
9/4 Daily Report Trinity Tunnel Operations, Feb. 1930