. Bulletin - New York State Museum. Science. Fig. 91 Strophostylus expansus. Fig. 92 Platyceras nodosu:. 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 work.. New York State Museum; New York State Museum. Albany : New York State Education Dept

. Bulletin - New York State Museum. Science. Fig. 91 Strophostylus expansus. Fig. 92 Platyceras nodosu:. 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 work.. New York State Museum; New York State Museum. Albany : New York State Education Dept Stock Photo

RMID:RGK29Y

Image details

Contributor:

Book Worm / Alamy Stock Photo

Image ID:

RGK29Y

File size:

7.1 MB (539.8 KB Compressed download)

Releases:

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

Dimensions:

1732 x 1442 px | 29.3 x 24.4 cm | 11.5 x 9.6 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.

Search stock photos by tags

bookcentury1800 bookdecade1880 booksubjectscience bookyear1887

Similar stock images

RMFJ84D3–Bulletin - New York State Museum (1905)

RMM827XJ–Bulletin - New York State Museum (1902) (20254023468)

RMC31JCD–

RM2AM0F04–Bulletin - New York State Museum . page 80. The structure of the Jones Point terrace sio far as revealed isithat of a gravel bar building southward by the carriage ofgravels over the surface of an embankment which must havebegun to form where the terrace is tied on to the mountain side lOS NKW YORK STATE MUSEUM at or iioar its pivsoiit norilnrii end. These gravels coming torepose on the terminal slope under water formed successiveinclined stratified additions to the deposit in this direction. Thebase of the deposit toward the southern end is sand and fine siltor rock-flour almost clayey in con

RMFJ84DA–Bulletin - New York State Museum (1905)

RMM827FP–Bulletin - New York State Museum (1898) (20254237628)

RM2AM0CAY–Bulletin - New York State Museum . showing that while theice still remained in this field the level of standing water in theneighboring river was much l)elow that of the 100 foot terrace.Terraces made in the presence of ice are invariably above thelevel of standing w^ater in the extraglacial region. From thefacts at New Hand)urg described below it w^ould seem as if thewater in the oj>en Hudson gorge was at this stage not muchabove 100 feet higher than it now is. North of Newburg the surface facing the river on that side hasan eioded appearance, blending with the glaciated region of theweste

RMFJ84DD–Bulletin - New York State Museum (1905)

RMM827TX–Bulletin - New York State Museum (1901) (20442432425)

RM2AM07J0–Bulletin - New York State Museum . ot of this ridge in North Albany theclays are seen resting unconformably on these older glacial grav-els. The gravels are locally very coarse and bouldery, layers ofsmall boulders up to 1 foot and even 15 inches in diameter beingseen well up in the section. The beds have a strong dip towarda depression on the north of this locality as if they had settled. i;iO MOW YORK STATE MUSEUM The relation ol (Ih/ cIjivs to tlie older gravels shows that thegravels were cut off on the south by running water so as to forma well defined hank. Down this bank cobbles and boul

RMFJ84D6–Bulletin - New York State Museum (1905)

RMM827DJ–Bulletin - New York State Museum (1897) (20415625436)

RM2AM0HD5–Bulletin - New York State Museum . wrence into New Eng-land and New York to enable us to depict the general mode ofretreat of the ice sheet in different districts, having deep meridi- 80 NEW YORK STATE MUSEUM onal valleys on the one hand like that of the Hudson and broadnjdands or sea border jdalns, on Hie olher snch as occur over cen-tral and southeastern Massachusetts. Here we are solely con-cerned with a long, well defined meridional valley. As the ice front retreats northward there is found evidence ofits having halted from time to time at certain places long enoughto build moraines of dum