. Fig. 8. Profiles of rivers. A. Profile of present Still River and buried channel of Umpog-Still River. \\. Profile of preglacial Croton-Still River. C. Profile of preglacial Umpog-Still River. Solid lines show the present levels. Dotted lines show preglacial levels. plained in either of two ways: glaciers gouged out rock basins in the weak limestone, or the river in its lower part has been

---

Size: 2847px × 1756px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeology, bookyear1920