Lake Stor-Laisan

X-ray photo to the left and colour photo to the right of the uppermost part of core 717 from a depth of 19 m in Lake Stor-Laisan.

The hard, rust-coloured layers at a core depth of 3-4 cm also contained some ash and coarse organic detritus. These layers were probably formed in the early 1960´s, when construction works took place further upstream for hydropower development. Date of coring: 1981-08-19.

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