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Oulun metsänparannuspiirissä aura-ojien kokoa tutkittiin satunnaisotannalla. Metsäteknikko Sulo Heiskanen mittaa ojan kokoa.
Creator
- Markku Eskola
Subject
- mittaus
- metsäteknikot
- ojat
- ojitus
- metsänparannus
Type of item
- Photo
Creator
- Markku Eskola
Subject
- mittaus
- metsäteknikot
- ojat
- ojitus
- metsänparannus
Type of item
- Photo
Providing institution
Aggregator
Rights statement for the media in this item (unless otherwise specified)
- http://creativecommons.org/licenses/by/4.0/
Creation date
- 1961
Places
Identifier
- V03004:51
- #knp-91917
Is part of
- Markku Eskolan kokoelma
Year
- 1961
Providing country
- Finland
Collection name
First time published on Europeana
- 2020-12-10T11:09:45.300Z
Last time updated from providing institution
- 2022-03-17T12:34:58.297Z