Declassified UFO / UAP Document
Skiss över djuprekognoscering av Kölmjärvs utlopp
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AI-Generated Summary
A 1946 technical survey sketch detailing water and sediment depths at the Kölmjärv outlet in Sweden. The document is a standard hydrological survey record.
This document is a technical survey sketch titled 'Skiss över djuprekognoscering av Kölmjärvs utlopp' (Sketch of depth reconnaissance of the Kölmjärv outlet). Dated July 31, 1946, and signed by Ama Johansson, the document provides a detailed cross-sectional analysis of the water body's outlet. It includes a graphical scale in meters and a legend defining symbols for water depth, sediment (gyttja) depth, solid bottom, rock/boulder areas, and survey lines conducted with a soil probe. The document serves as a hydrological or engineering survey record rather than an aerial or anomalous phenomenon report.
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Official Assessment
The document is a technical survey sketch detailing water depth and sediment (gyttja) levels at the Kölmjärv outlet, dated July 31, 1946.