Series name
Native
vegetation
a
Parent materials
Parent material
particle-size class
Landform
Age
(ky)
Lake
stage
b
Lake
1
Lake
2
Lake
3
Lake
4
ONTARIO
Td
Till
Fine-loamy
Till plains
13
I
ON
ONTONAGON
Tm
Glaciolacustrine
fine
Very-fine
Glacial lake
plains
11.2
D, A
SU
HU
ORONTO
Tm
Till
Fine-silty
Till plains
11.2
D
SU
ORPARK
Tm
Till
Fine-loamy
Till plains
13.8
W
ER
ORRVILLE
Td
Alluvium
Fine-loamy
Floodplains
<13.8 W
ER
OSHKOSH
Td
Glaciolacustrine
fine
Very-fine
Glacial lake
plains
13.8
G
MI
OSHTEMO
Td
Outwash
Coarse-loamy
Beach ridges
13.8
G,
WA
MI
ER
OSSINEKE
Td
Till
Fine-loamy
Till plains
11.2
D, A
MI
HU
OTEGO
Ld
Alluvium
Coarse-silty
Floodplains
<13.8 WA
ER
OTISCO
Tm
Outwash
Sandy
Lake plains
11.2
A
MI
HU
OTISVILLE
Td
Outwash
Sandy-skeletal
Lake terraces
12.4
WA,
I
ER
ON
OTTOKEE
Td
Glaciolacustrine
sandy
Sandy
Glacial lake
plains
13.8
G, W MI
HU
ER
OVID
Td
Till
Fine-loamy
Till plains
13
I
ON
OZAUKEE
Td
Till
Fine
Moraine
13.8
G
MI
PAAVOLA
Td
Till
Sandy-skeletal
Till plains
11.2
D
SU
PAINESVILLE
Td
Glaciolacustrine
fine
Coarse-loamy
Glacial lake
plains
13.8
WA
ER
PALMERS
Lm
Till, clayey
Very-fine
Glacial lake
plains
11.2
D
SU
PALMS
Ld
Organic
Loamy
Lake plains
12.4
G,
WA,
I
MI
HU
ON
ER
PALMYRA
Td
Outwash
Fine-loamy over
sandy or sandyskeletal
Outwash plains 13
I
ON
PAQUIN
Tm
Glaciofluvial
Sandy
Glacial lake
plains
11.2
D, A
SU
MI
HU
PARKHILL
Ld-Td
Till
Fine-loamy
Till plains
11.2
A
HU
PELISSIER
Tm
Outwash
Sandy-skeletal
Outwash plains 11.2
D
SU
PELLA
W
Glaciolacustrine
fine
Fine-silty
Glacial lake
plains
13.8
G,
WA
MI
HU
PENCE
Tm
Alluvium/
outwash
Coarse-loamy over
sandy or sandyskeletal
Glacial lake
plains
11.2
D, A
SU
HU
PEOTONE
W
Colluvium/till
Fine
Till plains
13.8
G
MI
PEQUAYWAN
Tm
Loamy Mantle/
outwash
Coarse-loamy over
sandy or sandyskeletal
Outwash plains 11.2
D
SU
PERRINTON
Td
Till
Fine
Till plains
13.8
G
MI
PESHEKEE
Tm
Till/gr-gn
bedrock
Loamy
Till upland
11.2
D
SU
PEWAMO
Td
Till
Fine
Lake plains,
relict near-shore
zone
13.8
G, M MI
HU
PHELPS
Tm
Outwash
Fine-loamy over
sandy or sandyskeletal
Outwash plains 12.4
WA,
I
ON
ER
PICKFORD
Lm
Glaciolacustrine
fine
Fine
Glacial lake
plains
11.2
D, A
SU
MI
HU
PIERPONT
Td
Till
Fine-silty
Moraine
13.8
W
ER
PINCONNING
Lm
Lacustrine sandy/
fine
Sandy over clayey
Lake terraces
11.2
A
MI
HU
SU
(continued)
Appendix B
197