5a8f660107f346baa7e3a8f9d3dfa081

Three-part illustration showing the origin of pinnacle formations clustered around Tower Fall

Three-part illustration showing the origin of pinnacle formations clustered around Tower Fall

First part depicts fifty million year old volcanic rocks criss-crossed by vertical cracks, or joints. Second illustration shows frost wedging, and water erosion rapidly cutting along the joints of this relatively soft rock. Third part shows the progressive erosion eventually isolating tower-like pinnacles of unjointed rock.

Abbr=WE

U.S. National Park Service

Project=1971 Exhibits ; Reflective Art

Government owns art and all reproduction rights.

Public domain

Geology, (HFC ArtTheme)
, Pen and ink on Mylar with type overlays, (HFC ArtMedium)

Image

Yellowstone National Park, Code: YELL

Yellowstone National Park
Latitude: 44.581298828125, Longitude: -110.490097045898

Image Management System : IMS 05917

HFC Commissioned Art Collection

20190904

01/01/1971 - 12/30/1971

Image_Size=21-1/4" x 9-3/16"; Exhibit 10/Graphic # 10-9

P14

Public Can View

Organization: Harpers Ferry Center
Address: Harpers Ferry Center, 67 Mather Place, Harpers Ferry, WV, 25425, 304-535-5050

Monday, October 7, 2019 2:46:51 PM

Monday, October 7, 2019 2:46:51 PM

05917.JPG

jpg

40.2 kB

Museum

Harpers Ferry Center