SOUTH DAKOTA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: FALCO MEXICANUS 

 Common Name: PRAIRIE FALCON 



Global rsuik: G5 Forest Service status: 



State rank: S3S4B,S4N Federal Status: 



Element occurrence code: ABNKD06090.006 

 Element occurrence type : 



Survey site name: 



EO rsmk: B 

 EO rank comments : 



County : 



uses quadrangle: SHEEP MOUNTAIN 



Township: Range: Section: TRS comments: 

 016N 008E 11 SE4NE4 



Precision: S 



Survey date: 1989-06 Elevation: 3320 



First observation: 1979 Slope/aspect: P39H00 



Last observation: 1989-06-25 Size (acres) : 



Location: 



SLIM BUTTES; 3 MI E AND 11 MI S OF REVA GAP 



Element occurrence data: 



1979-FOUR YOUNG IN CLIFF POTHOLE; 1989-YOUNG OBSERVED IN WEST-FACING 

 CRACK, MIDWAY UP 50 FT. CLIFF 



General site description: 



PONDEROSA PINE HILLS WITH STEEP CLIFFS, MIXED GRASS PRAIRIE, SAGEBRUSH 

 AND WOODY DRAWS 



Land owner/manager: 

 SLIM BUTTES 

 CUSTER NATIONAL FOREST 



Comments : 



CNF#PF59 



Information source: MELIUS, M.M. 1989. FIELD SURVEY TO SLIM BUTTES, 



JUNE 22-26. 



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