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A hypothetical reconstruction of a riparian forest habitat as it may have appeared 35 million years ago during the lower Oligocene Epoch along the Niobrara River near present day Agate Fossil Beds National Monument in Nebraska

A hypothetical reconstruction of a riparian forest habitat as it may have appeared 35 million years ago during the lower Oligocene Epoch along the Niobrara River near present day Agate Fossil Beds National Monument in Nebraska

A small group of striped rufous-colored Oreodonts (Merycoidodon culbertsoni) in left foreground have startled an alligator and two torpid semi-aquatic, hippopotamus-like Aepinacodons along the river bank A second alligator in midstream slides smoothly toward the opposite bank To the right climbing a cottonwood tree covered with the vine Aristolochia is an opossum Flora species depicted include the beech-like Fagopsis; willows (Salix); and cottonwood (Populus) The subdominant (first canopy) tree in the left foreground which somewhat resembles a dogwood is Persea Recognizable ground cover and vascular plants include crested fern, Dryopteris; Oreopanax (center mid-ground with compound leaves); Tule; cattails, Typha, etc

All research and reconstruction for this illustration was completed by artist Jay H. Matternes.; Abbr=PUB

U.S. National Park Service

Project=Handbook; Reflective Art

Government owns art and all reproduction rights.

Public domain

Natural History, (HFC ArtTheme)
, Acrylic on illustration board, (HFC ArtMedium)

Image

Agate Fossil Beds National Monument, Code: AGFO

Agate Fossil Beds National Monument, Sioux County, Nebraska
Latitude: 42.421501159668, Longitude: -103.744003295898

Image Management System : IMS 10940

HFC Commissioned Art Collection

20190904

01/01/1977 - 12/30/1977

Image_Size=27-7/8" x 16-1/2"; Count:1/3; Agate Fossil Beds National Monument handbook, pages 54-55

MC A4

Public Can View

Matternes, Jay

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

Friday, October 4, 2019 11:16:23 AM

Friday, October 4, 2019 11:16:23 AM

10940.jpg

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Museum

Harpers Ferry Center