March 12, 1996 



MONTANA NATURAL HERITAGE PROGRAM 

 Element Occurrence Record 



Scientific Name: ASTRAGALUS BARRII 

 Common Name: BARR'S MILKVETCH 



Global rank: G3 Forest Service status: SENSITIVE 

 State rank: S3 Federal Status: 3C 



Element occurrence code: PDFAB0F150 . 033 ID: ? 

 Element occurrence type: 



Survey site name: DROP TUBE RESERVOIR 



EO rank: 

 EO rank comments: 



County: POWDER RIVER 



USGS quadrangle: KING MOUNTAIN 



Township: Range: Section: TRS comments: 

 005S 045E 21 N2 



Precision: S 



Survey date: Elevation: 3400 - 3550 



First observation: 1995-06-14 Slope/aspect: 0-45% / ALL 



Last observation: 1995-06-14 Size (acres): 5 



Location: 



SANDSTONE CLIFFS ON NORTH SIDE OF PAGET CREEK JUST WEST OF DROP TUBE 

 RESERVOIR. TAKE OTTER CREEK ROAD SOUTH FROM HWY 212 CA. 15 MILES TO 

 PAGET ROAD; TURN RIGHT. PARK NEAR RESERVOIR AND HIKE TO SITE. 



Element occurrence data: 



>4 00 PLANTS, VEGETATIVE. 



General site description: 



DRY CREST AND UPPERSLOPE OFTEN IN SANDSTONE OUTCROPS; OPEN TO PARTIAL 

 SHADE. SANDSTONE PARENT MATERIAL. ASSOCIATED SPECIES: ANDROPOGON 

 SCOPARIUS, AGROPYRON SPICATUM, ARTEMISIA TRIDENTATA, A. FRIGIDA, 

 KOELERIA MACRANTHA, YUCCA GLAUCA. 



Land owner/manager: 



CUSTER NATIONAL FOREST, ASHLAND RANGER DISTRICT • 



Comments: 



OBSERVED BY H. MARRIOTT. NOT ALL SUITABLE HABITAT IN AREA SURVEYED. 



Information source: HEIDEL, B. L. AND H. MARRIOTT. 1996. SENSITIVE 

 PLANT SPECIES SURVEY OF THE ASHLAND DISTRICT, 

 CUSTER NATIONAL FOREST, POWDER RIVER AND ROSEBUD 

 COUNTIES, MT. UNPUBLISHED REPORT TO THE U.S. 

 FOREST SERVICE. MONTANA NATURAL HERITAGE PROGRAM. 

 PP. 



Specimens : 



