https://ir.uiowa.edu/igs_ofm/1069/thumbnail.jp

Bettis, E Arthur, III

Galer, Rochelle

Giglierano, James

Goings, Chad

Quade, Deborah

Tassier-Surine, Stephanie

English

Iowa Research Online

LINN
LEE
SAC
TAMA
IDA
SIOUX CLAY
IOWA
LYON
POLK
CASS
KOSSUTH
PAGE
JASPER
ADAIR
BENTON JONES
DAVIS
CLAYTON
STORY
FAYETTE
CEDAR
CLINTON
BOONE
PLYMOUTH
MONONA
DALLAS
MILLS
FLOYD
SHELBY
OBRIEN
HARDIN
WAYNE
BUTLER
WOODBURY WEBSTER
WRIGHT
MARION KEOKUK
TAYLOR
SCOTT
JACKSON
GREENE
HARRISON
UNION
GUTHRIE
LUCAS
WARREN
JOHNSON
HENRY
DUBUQUE
CRAWFORD CARROLL
MADISON
ADAMS
FRANKLIN
MAHASKA
CALHOUN GRUNDY
POTTAWATTAMIE
HANCOCK
LOUISA
HAMILTON
DECATUR
EMMET
ALLAMAKEE
CLARKE
WORTH
PALO ALTO
MARSHALL
HOWARD
FREMONT
DELAWARE
CHEROKEE BREMER
BUCHANAN
RINGGOLD
POWESHIEK
MONROE
MITCHELL
WAPELLO
VAN BUREN
CHICKASAW
OSCEOLA
HUMBOLDT
MUSCATINE
JEFFERSON
DICKINSON
WINNESHIEK
BUENA VISTA
AUDUBON
BLACK HAWK
POCAHONTAS
WASHINGTON
APPANOOSE
CERRO GORDO
DES MOINES
WINNEBAGO
MONTGOMERY
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SACIDA
SIOUX
LYON
CLAY
CASS
KOSSUTH
PAGE
ADAIR
PLYMOUTH
MONONA
OBRIEN
MILLS
WOODBURY
SHELBY
TAYLOR
GREENE
GUTHRIEHARRISON
CRAWFORD CARROLL
ADAMS
CALHOUN
POTTAWATTAMIE
EMMET
FREMONT
PALO ALTO
CHEROKEE BUENA VISTA
AUDUBON
POCAHONTAS
OSCEOLA
HUMBOLDT
DICKINSON
MONTGOMERY
20
30
40
50
60
70
80
5
90
100
10
110
120
130
140
150
160
110
150
130
150
150
120
160
160
140
110
140
5
150
130
5
5
150
140
10
120
5
130
150
94°30'0"W
94°30'0"W
95°0'0"W
95°0'0"W
95°30'0"W
95°30'0"W
96°0'0"W
96°0'0"W
96°30'0"W
96°30'0"W
43°30'0"N
43°30'0"N
43°0'0"N
43°0'0"N
42°30'0"N
42°30'0"N
42°0'0"N
42°0'0"N
41°30'0"N
41°30'0"N
41°0'0"N
41°0'0"N
40°30'0"N
Maximum Loess Thickness of Western Iowa
± 0 4 8 12 162 Miles0 4 8 12 162 Kilometers
1:300,000
Legend
Maximum Loess Thickness
(contours in feet)
5
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
MississippiAlluvial PlainsSouthern Iowa Drift Plain
Des Moines Lobe Iowan Surface
Northwest Iowa Plains
Paleozoic Plateau
Loess Hills
MissouriAlluvial Plains
East-Central Iowa Drift Plain
LINN
LEE
SAC
TAMA
IDA
SIOUX CLAY
IOWA
LYON
POLK
CASS
KOSSUTH
PAGE
JASPER
ADAIR
BENTON JONES
DAVIS
CLAYTON
STORY
FAYETTE
CEDAR
CLINTON
BOONE
PLYMOUTH
MONONA
DALLAS
MILLS
FLOYD
SHELBY
OBRIEN
HARDIN
WAYNE
BUTLER
WOODBURY WEBSTER
WRIGHT
MARION
KEOKUK
TAYLOR
SCOTT
JACKSON
GREENE
HARRISON
UNION
GUTHRIE
LUCAS
WARREN
JOHNSON
HENRY
CRAWFORD CARROLL
MADISON
ADAMS
FRANKLIN
MAHASKA
CALHOUN GRUNDY
POTTAWATTAMIE
HANCOCK
LOUISA
HAMILTON
DECATUR
EMMET
ALLAMAKEE
CLARKE
WORTH
PALO ALTO
MARSHALL
HOWARD
FREMONT
DELAWARE
CHEROKEE BREMER
BUCHANAN
RINGGOLD
POWESHIEK
MONROE
MITCHELL
WAPELLO
VAN BUREN
CHICKASAW
OSCEOLA
HUMBOLDT
MUSCATINE
JEFFERSON
DICKINSON
DUBUQUE
WINNESHIEK
BUENA VISTA
AUDUBON
BLACK HAWK
POCAHONTAS
WASHINGTON
APPANOOSE
CERRO GORDO
DES MOINES
WINNEBAGO
MONTGOMERY
Des Moines Lobe
Missouri River Floodplain
 COMPILATION MAPPING FOR THE QUATERNARY GEOLOGY OF IOWA Phase 1: Loess Thickness Mapping of Western Iowa   Iowa Geological Survey Open File Map OFM-09-08 June 2009  prepared by  Chad Goings, Rochelle Galer, Stephanie Tassier-Surine, Deborah Quade,  E. Arthur Bettis III, and James Giglierano   Iowa Geological Survey, Iowa City, Iowa   
  Iowa Department of Natural Resources, Richard A. Leopold, Director Iowa Geological Survey, Robert D. Libra, State Geologist   Supported in part by the U.S. Geological Survey  Cooperative Agreement Number 08HQAG0082 National Cooperative Geologic Mapping Program (STATEMAP)    
Figure 1 in:  D.R.Muhs, E.A. Bettis III, J.N. Alienikoff, J.P. McGeehin, J. Beann, G. Skipp, B.D. Marshall, H.M. Roberts, W.C.Johnson, and R. Benton.  2008.  Origin and paleoclimatic significance of late Quaternary loess in Nebraska: Evidence from stratigraphy, chronology, sedimentology and geochemistry.  Geological Society of America Bulletin 120:1378-1407.
Loess Thickness in the Midcontinent
Landform Regions of Iowa
Location Map
!( Drill Holes


Compilation Mapping for the Quaternary Geology of Iowa, Phase 1: Loess Thickness Mapping of Western Iowa

https://ir.uiowa.edu/cgi/viewcontent.cgi?article=1069&amp;context=igs_ofm

Compilation Mapping for the Quaternary Geology of Iowa, Phase 1: Loess Thickness Mapping of Western Iowa

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