Krusensterni A.J. von (Adam Johann von Krusenstern, 1770-1846)
Also known as Adam Johann Ritter von (knight of) Krusenstern, Baltic German admiral, and explorer leading the first Russian circumnavigation around the globe in 1803-1806. See Hagudi.
Cold spring, cold source. Formerly plain old Allika (1927-1958), and temporarily Kalmuse (1940-1941). Now part of a hydrology-themed sector, see Tiigi.