. Elementary physical geography . Fig. 132. Brink of Niagara Falls. A valley having very gently sloping sides above the falls and precipitous sides below. merely because they were valleys ready made. It wasbelieved that the crust of the earth had been contorted andfissured, that ocean floods had swept over the land, and thatthe rivers had practically no share in the formation of thevalleys which they occupied. We now know that the major-ity of rivers have formed their own valleys, that they haveformed them in a very slow way, and that most of them are RIVER VALLEYS. 265 still engaged inthe wor

. Elementary physical geography . Fig. 132. Brink of Niagara Falls. A valley having very gently sloping sides above the falls and precipitous sides below. merely because they were valleys ready made. It wasbelieved that the crust of the earth had been contorted andfissured, that ocean floods had swept over the land, and thatthe rivers had practically no share in the formation of thevalleys which they occupied. We now know that the major-ity of rivers have formed their own valleys, that they haveformed them in a very slow way, and that most of them are RIVER VALLEYS. 265 still engaged inthe wor Stock Photo
Preview

Image details

Contributor:

Reading Room 2020 / Alamy Stock Photo

Image ID:

2CE2WAT

File size:

7.1 MB (671.9 KB Compressed download)

Releases:

Model - no | Property - noDo I need a release?

Dimensions:

1673 x 1493 px | 28.3 x 25.3 cm | 11.2 x 10 inches | 150dpi

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

. Elementary physical geography . Fig. 132. Brink of Niagara Falls. A valley having very gently sloping sides above the falls and precipitous sides below. merely because they were valleys ready made. It wasbelieved that the crust of the earth had been contorted andfissured, that ocean floods had swept over the land, and thatthe rivers had practically no share in the formation of thevalleys which they occupied. We now know that the major-ity of rivers have formed their own valleys, that they haveformed them in a very slow way, and that most of them are RIVER VALLEYS. 265 still engaged inthe work of val-ley carving. Ifthis be so, thenriver valleyshave had a de-velopment anda history ; andin this historywe may hope tofind an explana-tion of many ofthe differences.Developmentof River Val-leys.—We mustbear in mind.

Save up to 30% with our image packs

Pre-pay for multiple images and download on demand.

View discounts

Search stock photos by tags