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Lithics Home
| Counties A-Z
| Geologic Systems
| Lithic Types
| Chert Drawers
| Lithics Program
A - C |
D - M |
O - S |
T - W
| Lithic Type |
Drawer # |
System |
County |
County Exp. # |
Cat. # |
Heated |
Exposure |
| Argentine |
5
|
Pennsylvanian |
Madison |
MD-A
|
163
|
|
Q
|
| Argentine |
5
|
Pennsylvanian |
Madison |
MD-A
|
163
|
+
|
Q
|
| Argentine |
5
|
Pennsylvanian |
Madison |
MD-A
|
164
|
|
Q
|
| Argentine |
5
|
Pennsylvanian |
Madison |
MD-A
|
164
|
+
|
Q
|
| Argentine |
5
|
Pennsylvanian |
Pottawattamie |
PW-B
|
146
|
|
Q
|
| Argentine |
5
|
Pennsylvanian |
Pottawattamie |
PW-B
|
146
|
+
|
Q
|
| Bethany Falls A |
5
|
Pennsylvanian |
Madison |
MD-D
|
321
|
|
O
|
| Bethany Falls A |
5
|
Pennsylvanian |
Madison |
MD-D
|
321
|
+
|
O
|
| Bethany Falls A |
5
|
Pennsylvanian |
Madison |
MD-E
|
322
|
|
S
|
| Bethany Falls A |
5
|
Pennsylvanian |
Madison |
MD-E
|
322
|
+
|
S
|
| Bethany Falls B |
5
|
Pennsylvanian |
Adair |
AD-A
|
323
|
|
Q
|
| Bethany Falls B |
5
|
Pennsylvanian |
Adair |
AD-A
|
323
|
+
|
Q
|
| Bethany Falls B |
5
|
Pennsylvanian |
Pottawattamie |
PW-A
|
145
|
|
Q
|
| Bethany Falls B |
5
|
Pennsylvanian |
Pottawattamie |
PW-A
|
145
|
+
|
Q
|
| Bijou Hills Orthoquartzite |
4
|
Quaternary |
Woodbury |
WD-B
|
366
|
|
S
|
| Blanding |
18
|
Silurian (Lower) |
Clayton |
CT-D
|
64
|
+
|
Q
|
| Blanding |
18
|
Silurian (Lower) |
Delaware |
DW-B
|
206
|
|
C
|
| Blanding |
18
|
Silurian (Lower) |
Delaware |
DW-C
|
194
|
|
Q
|
| Blanding |
18
|
Silurian (Lower) |
Delaware |
DW-C
|
194
|
+
|
Q
|
| Blanding |
|
|
Delaware |
DW-F
|
508
|
|
|
| Blanding |
18
|
Silurian (Lower) |
Dubuque |
DB-A
|
11
|
|
C
|
| Blanding |
18
|
Silurian (Lower) |
Dubuque |
DB-A
|
11
|
+
|
C
|
| Blanding |
18
|
Silurian (Lower) |
Dubuque |
DB-F
|
119
|
|
C
|
| Blanding |
18
|
Silurian (Lower) |
Dubuque |
DB-F
|
119
|
+
|
C
|
| Blanding |
18
|
Silurian (Lower) |
Fayette |
FT-A
|
249
|
|
C
|
| Blanding |
18
|
Silurian (Lower) |
Fayette |
FT-A
|
249
|
+
|
C
|
| Blanding |
|
|
Jackson |
JK-C
|
484
|
|
|
| Blanding |
|
|
Jackson |
JK-D
|
485
|
|
|
| Blanding |
|
|
Jackson |
JK-F
|
487
|
|
|
| Blanding |
|
|
Jackson |
JK-G
|
488
|
|
|
| Blanding |
|
|
Jackson |
JK-H
|
489
|
|
|
| Blanding |
|
|
Jackson |
JK-I
|
490
|
|
|
| Bog Iron |
|
|
Wapello |
WP-A
|
523
|
|
|
| Buck Creek Quarry |
17
|
Silurian (Lower) |
Winneshiek |
WD-H
|
451
|
|
Q
|
| Buck Creek Quarry |
17
|
Silurian (Lower) |
Winneshiek |
WD-H
|
451
|
+
|
Q
|
| Burlington |
10
|
Mississippian (Middle) |
Des Moines |
DM-B
|
74
|
|
O
|
| Burlington |
10
|
Mississippian (Middle) |
Des Moines |
DM-B
|
74
|
+
|
O
|
| Burlington |
10
|
Mississippian (Middle) |
Des Moines |
DM-C
|
75
|
|
S
|
| Burlington |
10
|
Mississippian (Middle) |
Des Moines |
DM-C
|
75
|
+
|
S
|
| Burlington |
10
|
Mississippian (Middle) |
Des Moines |
DM-D
|
87
|
|
Q
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-E
|
256
|
|
C
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-E
|
256
|
+
|
C
|
| Burlington |
10
|
Mississippian (Middle) |
Des Moines |
DM-F
|
151
|
+
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-F
|
208
|
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-F
|
208
|
+
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-G
|
209
|
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-G
|
209
|
+
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-H
|
287
|
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Des Moines |
DM-H
|
287
|
+
|
O
|
| Burlington |
|
|
Des Moines |
DM-I
|
483
|
|
|
Burlington |
11
|
Mississippian (Middle) |
Henry |
HN-G
|
307
|
|
T
|
| Burlington |
11
|
Mississippian (Middle) |
Henry |
HN-G
|
307
|
+
|
T
|
| Burlington |
11
|
Mississippian (Middle) |
Lee |
LE-B
|
77
|
|
Q
|
| Burlington |
11
|
Mississippian (Middle) |
Lee |
LE-B
|
77
|
+
|
Q
|
| Burlington |
11
|
Mississippian (Middle) |
Lee |
LE-D
|
115
|
+
|
O
|
| Burlington |
11
|
Mississippian (Middle) |
Louisa |
LA-B
|
76
|
|
S
|
| Burlington |
11
|
Mississippian (Middle) | Louisa |
LA-B
|
76
|
+
|
S
|
| Burlington |
11
|
Mississippian (Middle) | Louisa |
LA-D
|
197
|
|
Q
|
| Burlington |
11
|
Mississippian (Middle) | Louisa |
LA-D
|
197
|
+
|
Q
|
| Burlington |
11
|
Mississippian (Middle) | Louisa |
LA-E
|
150
|
+
|
Q
|
| Burlington |
11
|
Mississippian (Middle) | Story |
SR-N
|
246
|
|
Q
|
| Burlington |
11
|
Mississippian (Middle) | Story |
SR-N
|
246
|
+
|
Q
|
| Burlington |
12
|
Mississippian (Middle) |
Washington |
WS-C
|
188
|
|
O
|
| Burlington (Keokuk?) |
11
|
Mississippian (Middle) |
Henry |
HN-I
|
310
|
|
T
|
| Carbonate Shale |
4
|
Pennsylvanian |
Webster |
WB-A
|
157
|
|
O
|
| Carbonate Shale |
4
|
Pennsylvanian |
Webster |
WB-A
|
157
|
+
|
O
|
| Cement City |
5
|
Pennsylvanian |
Union |
UN-A
|
315
|
|
Q
|
| Cement City |
5
|
Pennsylvanian |
Union |
UN-A
|
315
|
+
|
Q
|
| Chalcedony Till Cobble |
2
|
Quaternary |
Marion |
MA-B
|
431
|
|
S
|
| Chalcedony Till Cobble |
2
|
Quaternary |
Marion |
MA-B
|
431
|
+
|
S
|
| Chalcedonic Till Cobble |
2
|
Quaternary |
Marion |
MA-B
|
429
|
|
S
|
| Chalcedonic Till Cobble |
2
|
Quaternary |
Marion |
MA-B
|
429
|
+
|
S
|
| Chert Till Cobble |
1
|
Quaternary |
Calhoun |
CH-E
|
470
|
+
|
T
|
| Chert Till Cobble |
2
|
Quaternary |
Marion |
MA-A
|
233
|
+
|
S
|
| Chert Till Cobble |
2
|
Quaternary |
Marion |
MA-B
|
261
|
+
|
S
|
| Chert Till Cobble |
2
|
Quaternary |
Marion |
MA-B
|
430
|
|
S
|
| Croton Banded |
9
|
Mississippian (Middle) |
Henry |
HN-L
|
462
|
+
|
C
|
| Croton Banded |
9
|
Mississippian (Middle) |
Jefferson |
JF-C
|
172
|
|
R
|
| Croton Banded |
9
|
Mississippian (Middle) |
Jefferson |
JF-C
|
172
|
+
|
R
|
| Croton Banded |
9
|
Mississippian (Middle) |
Van Buren |
VB-G
|
103
|
|
S
|
| Croton Banded |
9
|
Mississippian (Middle) |
Van Buren |
VB-G
|
103
|
+
|
S
|
| Croton Banded |
9
|
Mississippian (Middle) |
Washington |
WS-B
|
189
|
|
S
|
| Croton Banded |
9
|
Mississippian (Middle) |
Washington |
WS-B
|
189
|
+
|
S
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Henry |
HN
|
6
|
|
U
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Henry |
HN
|
6
|
+
|
U
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Henry |
HN-D
|
175
|
|
O
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) | Henry |
HN-D
|
175
|
+
|
O
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Henry |
HN-H
|
308
|
|
T
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Henry |
HN-H
|
308
|
+
|
T
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Jefferson |
JF-D
|
199
|
|
Q
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Jefferson |
JF-D
|
199
|
+
|
Q
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Jefferson |
JF-D
|
211
|
|
Q
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Jefferson |
JF-D
|
211
|
+
|
Q
|
| Croton Chalcedonic |
8
|
Mississippian (Middle) |
Jefferson |
JF-F
|
204
|
|
C
|
| Croton Chalcedonic |
|
|
Lee |
LE-E
|
511
|
|
|
| Croton Chalcedonic |
|
|
Lee |
LE-F
|
512
|
|
|
Croton Chalcedonic |
9
|
Mississippian (Middle) |
Louisa |
LA-B
|
80
|
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Louisa |
LA-B
|
80
|
+
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Louisa |
LA-C
|
81
|
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Mahaska |
MK-A
|
178
|
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Mahaska |
MK-A
|
178
|
+
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Van Buren |
VB-C
|
210
|
|
U
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Van Buren |
VB-C
|
210
|
+
|
U
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Van Buren |
VB-F
|
102
|
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Van Buren |
VB-F
|
102
|
+
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Washington |
WS-A
|
166
|
|
S
|
| Croton Chalcedonic |
9
|
Mississippian (Middle) |
Washington |
WS-A
|
166
|
+
|
S
|
| Croton Formation |
8
|
Mississippian (Middle) |
Story |
SR-A
|
176
|
|
O
|
| Croton Formation |
8
|
Mississippian (Middle) |
Story |
SR-A
|
176
|
+
|
O
|
| Croton Formation |
8
|
Mississippian (Middle) |
Story |
SR-A
|
177
|
|
O
|
| Croton Formation |
8
|
Mississippian (Middle) |
Story |
SR-A
|
177
|
+
|
O
|
| Curzon |
5
|
Pennsylvanian |
Fremont |
FM-A
|
326
|
|
Q
|
| Curzon |
5
|
Pennsylvanian |
Fremont |
FM-A
|
326
|
+
|
Q
|
| Curzon |
5
|
Pennsylvanian |
Mills |
ML-E
|
324
|
|
Q
|
| Curzon |
5
|
Pennsylvanian |
Mills |
ML-E
|
324
|
+
|
Q
|
| Curzon A |
5
|
Pennsylvanian |
Fremont |
FM-B
|
325
|
|
C
|
| Curzon A |
5
|
Pennsylvanian |
Fremont |
FM-B
|
325
|
+
|
C
|
| Curzon B |
5
|
Pennsylvanian |
Pottawattamie |
PW-C
|
327
|
|
Q
|
| Curzon B |
5
|
Pennsylvanian |
Pottawattamie |
PW-C
|
327
|
+
|
Q
|
A - C
| D - M
| O - S
| T - W
Click here to view
or download the entire table in Excel.
Updated by Tricia R. Bender, Web Designer
Mary De La Garza, Web Master
July 2009
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