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(1 - 4 of 4)
Title
Expedition member taking readings
Date
[1884]
Title
Taking an observation for latitude (Doobaunt Lake)
Date
12 August 1893
Creator
Tyrrell, Joseph Burr, 1858-1957
Title
Letter to Messrs. W. & L.E. Gurley, 1893/04/20
Date
20 April 1893
Creator
Tyrrell, Joseph Burr, 1858-1957
Title
Expedition member at observing station looking through a telescope
Date
[1884]