Thorson Prairie WMA

               
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Area and County

Polk County

 

 

 


Size

1,109.12 acres

Printable map
 
Maps

Printable Maps with GPS coordinates

Complete

North Section

Central Section

South Section

 
 
Parking

There are six designated parking areas:

CR 44 (160th Ave. SW): N47 40.502,
W96 23.703

170th Ave. SW: N47 40.733, W96 25.000

340th St. SW: N47 40.389, W96 24.662

350th St. SW (West): N47 39.553, W96 24.884

350th St. SW (East): N47 39.535, W96 24.797

MN Hwy 102: N47 38.406, W96 24.875

Printable map
 
Hiking Trails

The Agassiz Recreational OHV Trail passes through this site.

 
Hunting

All hunting and trapping. See Hunting and Trapping Regulations (MN DNR) for details.


Ecological Classification

Province

Tallgrass Aspen Parklands

Ecological Classification

Section

Lake Agassiz, Aspen Parklands

Subsection(s)

Aspen Parklands

Land Type Association(s)

Beach Ridges

Gentilly Lake Plain

 
Native Plant Communities1

Agassiz Interbeach Prairie Complex

Calcareous Fen (Northwestern)

Dry Sand - Gravel Prairie (Northern)

Mesic Prairie (Northern)

Northwestern Wet-Mesic Aspen Woodland

Seepage Meadow/Carr

Seepage Meadow/Carr: Tussock Sedge Subtype

Wet Brush-Prairie (Northern)

Wet Prairie (Northern)

Wet Seepage Prairie (Northern)


Ownership Minnesota DNR logo        
 
Links

Minnesota DNR


Comments

Agassiz Recreational Trail
The 52-mile Agassiz Recreational Trail, an off-highway vehicle (OHV) trail, passes through this WMA on an old railroad bed closely paralleling MN Highway 102.

Farm Field
Thereis a 58.5-acre plot of cultivated row cropland in the north section.


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Visitor Observations

   
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MinnesotaSeasons.com Observations

   

Amphibians

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Bacteria

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Birds

One bird species with conservation status in Minnesota hasbeen seen here:

 

Special concern

Greater Prairie-chicken (Tympanuchus cupido)

 
 

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Fungi and Lichens

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Insects and Arachnids

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Mammals

One mammal species with conservation status in Minnesota has been seen here:

 

Special concern

moose (Alces americanus)

 
 

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Plants

Minnesota Biodiversity Atlas Plant List

 
 

Plants frequently found in:

Calcareous Fen (Northwestern) OPp93a

Dry Sand - Gravel Prairie (Northern) UPn12b

Mesic Prairie (Northern) UPn23b

Northwestern Wet-Mesic Aspen Woodland FDw44

Seepage Meadow/Carr WMs83a

Seepage Meadow/Carr: Tussock Sedge Subtype WMs83a1

Wet Brush-Prairie (Northern) WPn53b

Wet Prairie (Northern) WPn53c

Wet Seepage Prairie (Northern) WPn53a

 
 

 

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Nuttall’s little rose (Chamaerhodos erecta)

Pennsylvania cinquefoil (Potentilla pensylvanica)

Torrey’s rush (Juncus torreyi)

woolly cinquefoil (Potentilla hippiana)

woolly groundsel (Packera cana)

 

 

 


Reptiles

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Binoculars

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