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TITLE TYPE DATE CREATED COLLECTION(S)
Baltic Mine Underground Report Digital Document 1905-03-21 Data
Bar Chart showing Sturgeon River Power Development (1 of 2) Image 1898/1903 Data
Bar Chart showing Sturgeon River Power Development (2 of 2) Image 1891/1905 Data
Champion Copper Company Illumination Tests on Candles and Sunshine Digital Document 1911-04-28 Data
Champion Copper Company Table Showing Areas of Probably Copper Ground Digital Document 1913-01-01 Data
Champion Copper Company Tables Charting Logging Operations for the years 1927-1935. Digital Document 1927/1935 Data
Champion Mine Coal Consumption for Years 1910-1911 Digital Document 1910/1911 Data
Characteristics of Champion Mine Drifts in Shaft #1 - Shaft #4 Digital Document 1905-04-17 Data
Chart of Champion Compressor Performance Image 1905-03-24 Data
Chart showing performance of 1500 KW L.P. Turbine for Baltic Mill Image 1913-03-01 Data
Coal Records for 1911 and 1912 for Champion Mine Digital Document 1911/1912 Data
Copper Range Company Screening Tests Data Digital Document Data
Data for Rough Estimate of Lumber for Built-Up Pulley Stands for “E” Shaft Champion Mine Digital Document 1905-03-21 Data
Data for Steam Consumption of Ash Conveyor, Baltic Mill Digital Document 1915-10-13 Data
Data for Topography in S.W.1/4 Sec 37 -54-34 Digital Document Data
Data Records for Underground Water Pumping at the Champion and Trimountain Mines Digital Document 1926/1933 Data
Domestic Water Used, Gallons per Minute by Houghton, Hancock, Range Towns, and Others, 1940-1944 Image 1940/1944 Data
Domestic Water Used, Gallons per Minute by Houghton, Hancock, Range Towns, and Others, 1945-1946 Image 1945/1946 Data
Elevation and Water Pressure at Various Places Digital Document Data
Elevation of Water in D.D. [Diamond Drill?] Hole #27 (above Portage Lake), 1925-1929 Image 1925/1929 Data
Elevation of Water in D.D. [Diamond Drill] Hole #27 (above Portage Lake), 1930-1932 Image 1930/1932 Data
Elevations of Bottoms of Base Boards at Homes in Painesdale Digital Document Data
Estimate of Lumber, etc. in “E” Boiler and Engine House Roofs Digital Document 1905-03-20 Data
Gallons of Water Pumped and Used by Houghton, Hancock, Range Towns, and Others, 1945-1949 Image 1945/1949 Data
Graph of Champion Copper Company Underground Operations 1922 By Month Image 1905-04-05 Data