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(241 - 260 of 260)

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Title: Worker surveying near experiment station
Description: Winter, 1948

Title: Worker tapping sugar maple

Title: Workers arranging metal piping to transport maple sap to collection tank
Description: Winter, 1949

Title: Workers at Proctor Maple Researcher Center

Title: Workers rolling up tubing

Title: Workers setting up an experiment in the sugar bush

Title: Workers surveying the sugar bush

Title: Workers surveying the sugar bush

Title: Workers tapping trees in the sugar bush
Description: Winter, 1952

Title: Workers washing collection buckets inside sugar house
Description: Winter, 1949

Title: Working collection buckets in the sugar bush
Description: Winter, 1955

Title: bounty on maple sugar
Date Issued: 1928

Title: carbohydrate contents of the maple tree
Date Issued: June 1933

Title: exclusion of lead from maple sap
Date Issued: July 1938

Title: grazing of maple sugar orchards
Date Issued: March 1937

Title: maple sap flow
Date Issued: December 1903

Title: maple sap flow
Date Issued: February 1904

Title: new maple product
Date Issued: September 1933

Title: results of the bounty on maple sugar
Date Issued: 1892

Title: use of plastic tubing in gathering maple sap
Date Issued: November 1960

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