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Digging a test trench near Glady Creek where mastodon (Mammut americanum) remains were found on the McGill farm in Concord Township, Champaign County, Ohio. Before excavation of the site began, two test trenches were dug at the north and south ends of the prospective site. The test trench depth was 5 to 7 feet. Bones were presumed to have come from the marl layers. The image was taken by Michael C. Hansen in September 1978. The location given is approximate to the excavation site.
Digging a test trench near Glady Creek where mastodon (Mammut americanum) remains were found on the McGill farm in Concord Township, Champaign County, Ohio. Before excavation of the site began, two test trenches were dug at the north and south ends of the prospective site. The test trench depth was 5 to 7 feet. Bones were presumed to have come from the marl layers. The image was taken by Michael C. Hansen in September 1978. The location given is approximate to the excavation site.
Bone specimens spread on the field near Glady Creek where mastodon (Mammut americanum) remains were found on the McGill farm in Concord Township, Champaign County, Ohio. Staff from the Ohio Historical Society undertook a salvage excavation at the site on September 18, 1978. An excavation trench 40 feet long, 8 feet wide, and 8 feet deep was dug in an attempt to locate additional mastodon remains. This excavation produced a first rib, the sacrum, an epiphyseal plate, skull fragments, and a toe bone. The finds were widely scattered in the excavation and appeared to have been previously disturbed, possibly by channelizing of Glady Creek in the 1930s or 1940s. The image was taken by Michael C. Hansen in September 1978....
The Burning Tree Mastodon (Mammut americanum) excavation site at the Burning Tree Golf Course south of Heath in Licking Township, Licking County, Ohio. The Burning Tree Mastodon is one of the most complete specimens of a mastodon found to date. It was discovered on December 12, 1989, during excavation for a pond on the course. Most of the skeleton had been recovered within three days of the initial find in what was probably a peat bog formed from a small kettle lake. Five casts were made from the original specimen skeleton before it was sold to a museum in Japan. The image was taken by Michael C. Hansen on December 13, 1989. The location given is the entrance to the Burning Tree Golf Course.
An outcrop of the Black Hand Sandstone Member of the Cuyahoga Formation at the Conkle's Hollow State Nature Preserve area in Hocking Hills State Park, Hocking County, Ohio. Conkle's Hollow is a deep rocky gorge. All three zones of the Black Hand Sandstone are visible in the steep cliffs of the valley walls. Crossbedding and honeycomb weathering are well displayed on the fretted surface of the Black Hand. The gorge at Conkle's Hollow follows a major joint trending N 60� W. Conkle's Hollow is named for an early visitor who inscribed his name, W. J. Conkle 1797, on the west wall of the gorge. Bedrock is from the Mississippian Geologic Period. The photograph was taken by Guy L. Denny in July 1966.
Petroglyphs carved into the Pottsville Group-Sharon sandstone/conglomerate at Leo Petroglyph and Nature Preserve in Jackson County, Ohio. This area has shale, siltstone, sandstone and conglomerate lithologies. The panel of petroglyphs includes around 37 figurative drawings of humans, birds, animal and human foot prints, a fish, a snake and other figures carved into the rock outcropping on the gently sloping hillside above a steep gorge. Leo Petroglyph is actually in a series of petroglyphs ancient people cut into the sandstone outcrop. The exact age of the carvings is unknown, but based on the degree of weathering of the soft sandstone, the carvings are probably not more than 1,000 years old. The art is likely the...
An outcrop of the Pottsville Group-Sharon sandstone/conglomerate with crossbedding and honeycomb weathering at Thompson Ledges Township Park, Thompson Township, Geauga County, Ohio. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1975.
An outcrop of the Pottsville Group-Sharon sandstone/conglomerate showing the road cut for the Ohio State Route 21 underpass at Interstate 77 mile marker 135.7 west of Akron in Copley Township, Summit County, Ohio. This area has shale, siltstone, sandstone and conglomerate lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981.
An outcrop of the Pottsville Group-Sharon sandstone/conglomerate showing the road cut for the Ohio State Route 21 underpass at Interstate 77 mile marker 135.7 west of Akron in Copley Township, Summit County, Ohio. This area has shale, siltstone, sandstone and conglomerate lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981.
An outcrop showing a fault in the Newland (No. 4, Brookville) coal of the Allegheny Group in Bethlehem Township, Stark County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken in 1960.
The Allegheny Group Putnam Hill limestone type section at Putnam Hill Park in Zanesville, Muskingum County, Ohio. John Turkopp and Wilber E. Stout did work in this area for Measured Stratigraphic Section File Number 788. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by William Smith in 1952.
An outcrop of the Homewood sandstone of the Pottsville Group along Ohio State Route 800 in Pike Township, Stark County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was probably taken in 1960.
An outcrop of the Allegheny Group with channel sand at Glen Ebon in York Township, Athens County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The image was taken by Micheal C. Hansen in 1976.
An outcrop of the Allegheny Group with channel sand pinching and swelling at Glen Ebon in York Township, Athens County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The image was taken by Micheal C. Hansen in 1976.
An outcrop of the Allegheny Group showing slump structure along the Baltimore and Ohio Railroad Company cut northwest of Mineral City, Tuscarawas County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone, coal, clay and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981. The truss bridge was removed, the railroad cut was filled and County Road 107 (Sandyville Road) was constructed on top of the fill on a different allignment in the 1991 construction season by the Tuscarawas County Engineer's Office. The following information concerning the Baltimore and Ohio Railroad Company cut at Mineral City is taken verbatim from...
An outcrop of the Connellsville sandstone of the Conemaugh Group along the United States Route 33 Bypass at Athens, Athens County, Ohio. This area has shale, siltstone, mudstone, sandstone, limestone and coal lithologies. Bedrock is from the Pennsylvanian Geologic Period. The image was taken by Michael C. Hansen in 1974.
An outcrop of the Brush Creek limestone of the Conemaugh Group along Interstate 77 at mile marker 40 south of Byesville, Guernsey County, Ohio. This outcrop location is referred to as an
A view of Illinoian till in the Middle Fork Valley, Perry Township, Hocking County, Ohio. The image was taken by Michael C. Hansen in 1973.
A view of kame terraces in the Salt Creek Valley of Hocking County, as seen from the cemetery near Adelphi in Ross County, Ohio. The image was taken by Michael C. Hansen in 1973.
Rockfall adjacent to a mobile home trailer at Sugar Grove, Fairfield County, Ohio. The rockfall material is the Black Hand Sandstone Member of the Cuyahoga Formation. Bedrock is from the Mississippian Geologic Period. The image was made in February 1983. Location approximate to a general location in the township.
map background search result map search result map Leo Petroglyph State Memorial, Jackson County, Ohio, 1987 Thompson Ledges, Geauga County, Ohio, 1975 The Sharon Sandstone/Conglomerate, Summit County, Ohio, 1981 The Sharon Sandstone/Conglomerate, Summit County, Ohio, 1981 Newland (No. 4, Brookville) Coal, Bethlehem Township, Stark County, Ohio, 1960 Putnam Hill Limestone Type Section, Putnam Hill Park, Zanesville, Ohio, 1952 Homewood Sandstone in PikeTownship, Stark County, Ohio, 1960 Strata at Glen Ebon, York Township, Athens County, Ohio, 1976 Strata at Glen Ebon, York Township, Athens County, Ohio, 1976 Baltimore and Ohio Railroad at Mineral City, Tuscarawas County, Ohio, 1981 Connellsville Sandstone Outcrop Near Athens, Athens County, Ohio, 1974 Brush Creek Limestone at Byesville, Guernsey County, Ohio, 1981 Conkle's Hollow State Nature Preserve, Hocking Hills State Park, Hocking County, Ohio, 1966 Illinoian Till in the Middle Fork Valley, Hocking County, Ohio, 1973 Kame Terraces in Southeastern, Ohio, 1973 Rockfall in Fairfield County, Ohio, 1983 McGill Mastodon Excavation in Champaign County, Ohio, 1978 McGill Mastodon Excavation in Champaign County, Ohio, 1978 McGill Mastodon Excavation in Champaign County, Ohio, 1978 Burning Tree Mastodon Excavation Site in Licking County, Ohio, 1989