13LA7 |
United States |
Minnesota |
Stillwater |
light buff, fine grain, compact, Lower Silurian |
13LA8 |
United States |
Pennsylvania |
Plymouth |
light drab, fine grain, compact, Lower Silurian |
13LB10 |
United States |
Ohio |
Springfield |
light gray, fine grain, cellular, porous, Upper Silurian |
13LB11 |
United States |
Ohio |
Covington |
buff, fine grain, compact, siliceous, Upper Silurian |
13LB12 |
United States |
New Jersey |
Newton |
dark gray, fine grain, compact, Lower Silurian |
13LB14 |
United States |
Iowa |
Delphi |
light gray, mottled, fine grain, compact, Niagara |
13LB15 |
United States |
Iowa |
Buffalo |
drab, white-speckled, fine grain, compact, Devonian |
13LB2 |
United States |
Illinois |
Lemont |
light gray, fine grain, compact, Upper Silurian |
13LB4 |
United States |
Wisconsin |
Racine |
light drab, fine grain, cellular, Upper Silurian |
13LB6 |
United States |
New York |
Lockport |
light gray, fine grain, compact, fossiliferous, Upper Silurian |
13LB7 |
United States |
Minnesota |
Canon City |
drab, fine grain, compact, Lower Silurian |
13LB9 |
United States |
Ohio |
Sandusky |
gray, fine grain, compact, bituminous, Devonian |
13ra10 |
United States |
Ohio |
Bellefountaine |
buff, fine grain, porous, Devonian |
13RA11 |
United States |
Ohio |
Springfield |
dark, coarse grain, porous, Upper Silurian |
13RA12 |
United States |
Ohio |
Kelley's Isl. |
drab, fine grain, compact, Devonian |
13RA13 |
United States |
Iowa |
Humbolt |
gray, compact, fine grain, Lower carboniferous |
13RA14 |
United States |
Iowa |
Dixon Sta. |
buff, fine grain, porous, bituminous, Niagara |
13RA15 |
United States |
Iowa |
Ames Station Story Co. |
buff, fine grain, compact, pyrite bearing, Lower carboniferous |
13RA16 |
United States |
Iowa |
Stone City |
light buff, fine grain, porous, bituminous, Niagara |
13RA2 |
United States |
Illinois |
Lemont |
light gray, fine grain, compact, Upper Silurian |
13RA4 |
United States |
Wisconsin |
Milwaukee |
drab, fine grain, compact, Silurian |
13RA7 |
United States |
Minnesota |
Mankato |
buff, fine grain, porous, Lower Silurian |
13RA8 |
United States |
Pennsylvania |
Valley Branch Chester Co. |
bluish-drab, fine grain, compact |
13RB10 |
United States |
Ohio |
Sandusky |
light gray, fine grain, porous, bituminous, Upper Silurian |
13RB11 |
United States |
Ohio |
Yellow Springs |
drab, fine grain, cellular, fossiliferous, Upper Silurian |
13RB12 |
United States |
Ohio |
Greenfield |
light gray, fine grain, compact, bituminous, Upper Silurian |
13RB15 |
United States |
Iowa |
Quarry, Marshall Co. |
buff, fine grain, compact, fossiliferous, Sub-carboniferous |
13RB16 |
United States |
Iowa |
Farley |
light gray, fine grain, porous, Niagara |
13RB2 |
United States |
Illinois |
Joilet |
light gray, fine grain, compact, Upper Silurian |
13RB4 |
United States |
Wisconsin |
Byron |
light gray, fine grain, compact, Upper Silurian |
13RB9 |
United States |
Pennsylvania |
Potts Landing Berk's Co. |
bluish-gray, fine grain, compact, Lower Silurian |
14LA1 |
United States |
Indiana |
Logansport |
light drab, fine grain, compact, Niagara |
14La10 |
United States |
Pennsylvania |
Kerberburgh |
light yellow, fine grain, compact, Lower Silurian |
14LA12 |
United States |
Ohio |
Yellow Springs |
buff, fine grain, porous, fossiliferous, Upper Silurian |
14LA13 |
United States |
Ohio |
Urbana |
light gray, fine grain, compact, bituminous, Upper Silurian |
14LA14 |
United States |
Iowa |
Mt. Vernon |
light buff, fine grain, porous, bituminous, Niagara |
14LA15 |
United States |
Iowa |
Waterloo |
buff, fine grain, compact, siliceous, Devonian |
14LA16 |
United States |
Iowa |
Stone City |
light buff, fine grain, porous, bituminous, Niagara |
14LA17 |
United States |
Iowa |
Keokuk |
drab, medium grain, compact, siliceous, Lower carboniferous |
14LA2 |
United States |
Illinois |
Aurora |
light gray, fine grain, compact, Upper Silurian |
14LA3 |
United States |
Illinois |
Joilet |
light gray, fine grain, compact, Upper Silurian |
14La4 |
United States |
Texas |
San Saba |
buff, fine grain, compact |
14LA5 |
United States |
Wisconsin |
Eden |
light gray, fine grain, compact |
14LA6 |
United States |
Wisconsin |
Taycheedah Twp. Fon du Lac Co. |
light gray, fine grain, compact, Upper Silurian |
14LB1 |
United States |
Indiana |
Montpelier |
light gray, fine grain, compact, Niagara |
14LB11 |
United States |
Ohio |
Greenfield |
dark gray, fine grain, porous, bituminous, Upper Silurian |
14LB12 |
United States |
Ohio |
Tiffin |
light buff, fine grain, porous, bituminous, Upper Silurian |
14LB14 |
United States |
Iowa |
Osage Sta. |
dark gray, coarse grain, compact, fossiliferous-bearing, Devonian |
14LB15 |
United States |
Iowa |
Manchester |
light gray, fine grain, compact, Niagara |
14LB16 |
United States |
Iowa |
Clemont |
buff, fine grain, porous, Upper Silurian |
14LB17 |
United States |
Iowa |
Monticello |
light buff, fine grain, compact, Upper Silurian |
14LB4 |
United States |
Illinois |
Chicago |
dark-drab, fine grain, cellular, compact, Upper Silurian |
14RA1 |
United States |
Indiana |
Anderson |
drab, fine grain, compact, Niagara |
14RA10 |
United States |
Pennsylvania |
Mill Lane Chester Co. |
light gray, fine grain, compact, Lower Silurian |
14RA12 |
United States |
Ohio |
Tiffin |
light buff, fine grain, porous, bituminous, Upper Silurian |
14ra13 |
United States |
Ohio |
Columbus Grove |
dark gray, fine grain, porous, bituminous, Upper Silurian |
14RA14 |
United States |
Iowa |
Ames Station Story Co. |
light buff, fine grain, porous, Lower carboniferous |
14RA15 |
United States |
Iowa |
Winterset |
light gray, medium grain, porous, fossiliferous, carboniferous |
14RA16 |
United States |
Iowa |
Franklin |
light gray, fine grain, compact, Lower carboniferous |
14RA18 |
United States |
Iowa |
Delphi |
buff, fine grain, compact, dendritic, Niagara |
14RA2 |
United States |
Illinois |
Joilet |
light gray, fine grain, compact, Upper Silurian |
14RA3 |
United States |
Illinois |
Saline |
dark gray, fine grain, compact, fossiliferous, Lower carboniferous |
14RA4 |
United States |
Illinois |
Sag's Bridge |
nearly white, fine grain, compact, Upper Silurian |
14RA5 |
United States |
Wisconsin |
Buffalo Co. |
yellowish-gray, fine grain, porous, Lower Silurian |
14RA6 |
United States |
Wisconsin |
Neenah |
dark gray, fine grain, compact, Lower Silurian |
14RA8 |
United States |
Minnesota |
Reading |
light drab, fine grain, compact, Lower Silurian |
14RB1 |
United States |
Indiana |
Bluffton |
gray, fine grain, compact, Devonian |
14RB10 |
United States |
Pennsylvania |
Leaman Place Lancaster Co. |
dark blue gray, banded, fine grain, complact, Lower Silurian |
14rb11 |
United States |
Ohio |
Bluffton |
dark, buff-streaked, fine grain, compact, bituminous, Upper Silurian |
14RB13 |
United States |
Ohio |
Sandusky |
light gray, mottled, fine grain, compact, bituminous, Devonian |
14RB15 |
United States |
Iowa |
Dubuque |
light buff, fine grain, compact, cellular, Lower Silurian |
14RB16 |
United States |
Iowa |
Franklin |
light gray, fine grain, compact, Lower carboniferous |
14RB17 |
United States |
Iowa |
Quarry, Marshall Co. |
light gray, fine grain, porous, Lower carboniferous |
14RB18 |
United States |
Iowa |
Dixon |
yellow, coarse grain, porous, ferruginous, Niagara |
14RB3 |
United States |
Illinois |
Chicago |
gray, black-spotted, coarse grain, compact, bituminous |
14RB4 |
United States |
Illinois |
Kankakee |
light gray, fine grain, porous, Upper Silurian |
14RB5 |
United States |
Wisconsin |
Eden |
light drab, fine grain, Upper Silurian |
14RB9 |
United States |
Pennsylvania |
Chambersburg |
blue-black, fine grain, compact, calcareous, Lower Silurian |
3L15 |
United States |
Maryland |
Baltimore |
white, fine grain |
3R15 |
United States |
Maryland |
Baltimore |
cut from same block as 3L15, white, fine grain |