- Description:
- David Thorud measuring temperature of white and black bark of a Paper Birch with a primitive thermistor. Corniea property.
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1962-05-17
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1975-07-08
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Description:
- Construction of octagonal mound
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1961-08-07
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1975-07-09
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Description:
- Cedar Creek Natural History Area. Anoka County, Minnesota. Hill's Oak frosting experiment. McAndrews and Ahlrichs watching the temperature fall.
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1960-05-25
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Description:
- Alvar Peterson farm, view south.
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1966-10-07
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1975-07-09
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Description:
- Alvar Peterson's corn. Affected by drought
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1960-08-01
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Description:
- Construction of octagonal mound. August 7 to 11, 1961.
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1961-08
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23
- Description:
- Lundgren Quercus forest
- Creator:
- Lawrence, Donald, 1911-1996
- Created:
- 1960-08-31
- Contributed By:
- University of Minnesota Libraries, University Archives.
- Last Updated:
- 2018-07-23