Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 94.
The Prefecture of PiteĆ„, 16/06/1732, ¶453:
16th. I went 3/4 of a naile north of the old town in the morning to examine a spring that was thought to show signs of minerals. It seemed to me no more than an ordinary cold spring, for there was no sign of taste, scum or ochre there.