Footnotes from Table 1 



1. According to Stewart and Kantrud, Classification of Prairie Potholes . , . , 

 1971. All wetlands not classified by Plenert (1967) are the author's figures 

 by the above classification. 



2. Acres and wetland basin types (classes) determined from aerial photos and 

 average precipitation records. 



3. Plenert's 1967 figures. 



4. Totals do not include reservoirs, only natural wetlands. 



* 



Fee program suggested or in operation. 

 1 Easement program suggested or in operation. 





Counties not listed in the table have been checked for wetlands by visiting 

 ASCS offices or from aerial photo indexes. 



