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Equipment for pigment extraction study
Facit calculator and data
Large balance
Measuring branches for sampling at Cedar Creek Lab
Prairie samples, pigment extraction
Prairie samples, pigment extraction
Sacked contents of Ellipsoidalis oak samples
Sacked Ellipsoidalis oak samples
Sacked Ellipsoidalis oak samples
Sartorius balamea
The Living Theatre and the Living Audience by Agnes de Mille, choreographer and author
The American Jewish World, Volume 48, Number 6, October 9, 1959
Evaporation tank
Harvested maize on floor
Lunch time?
Overgrazed oak pasture
Overgrazed oak pasture
Overgrazed oak pasture
Overgrazed oak pasture
Overgrazed oak pasture
Overgrazed oak pasture
Sedge tank
Sedge tank, from East side
Sedge tank, from North side
Sedge tank, from West side
The American Jewish World, Volume 48, Number 7, October 16, 1959
Purcell and Elmslie-Source-Book Project
Purcell and Elmslie-Source-Book Project
Purcell and Elmslie-Source-Book Project
Purcell and Elmslie-Source-Book Project
Purcell and Elmslie-Source-Book Project
The American Jewish World, Volume 48, Number 8, October 23, 1959
Aspen grove litter screen
Cedar Creek Lab, Anoka County
J. D. Ovington at cattail marsh adjoining Fish Lake on the West
Narrow leaf cattail marsh
Sign
Signs
Tamarack swamp screen
Tamarack swamp screen
Tamarack swamp screen
View North from bridge
View North from bridge
View South from bridge
White cedar swamp litter screen
White cedar swamp litter screen
White cedar swamp litter screen
White pine screen
White pine screen