. c^KVca -i' '' ' ' i i i 45 50 55 65° 60c -1 '' ' '' 1- -\ I I I I I fH DISTRIBUTION OF MEDIUM SAND, 0-5-0-9 mm.

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Size: 1901px × 2629px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti