Other examples Basin of river Kolp, village Chsersevo.

a) unproccessed binary frame, the arrows point to strata bounds. b) strata bounds are highlighted by red lines. c) different colors show different soils. Depth was adjusted to manganese (=14 in average). Real =4 for dry sand, up to 25 for wet sand, for clays: 8-12. Soils in strata must be specified according to data of boring.