. Department circular. Agriculture. Fig. 6. bark box. 1 The bark of the common gray or so-called " white " birch is not very durable, but that of the northern white or canoe birch is more Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts. Dept. of Agriculture. Boston, Mass.

---

Size: 976px × 2560px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookpubl, booksubjectagriculture