The south face of the mountain is accessible via the 

 gravel road which follows Cottonwood Canyon up from Cardwell. 

 The north side of Doherty is accessible via the gravel road 

 which crosses the Boulder River from Highway 69 about nine 

 miles north of its beginning near Cardwell. These two-wheel 

 drive roads are connected by a rough four-wheel drive road 

 (see map in Appendix 1) . 



Native vegetation consists of several grassland, 

 shrubland, and woodland types. Dominant grasses include 

 Bouteloua gracilis (blue grama) , Elymus spicatus (bluebunch 

 wheatgrass) , Oryzopsis hymenoides (Indian rice grass) , and 

 Stipa comata (needle and thread) . Sagebrush steppe dominated 

 by Artemisia tridentata and the above listed grasses occupies 

 gentle slopes and draws with relatively well developed soils. 

 Chaparral associations on steeper, rockier slopes are 

 dominated by Cercocarpus ledifolius (mountain mahogany) and 

 Juniperus scopulorum (Rocky Mountain juniper) . Woodlands on 

 dryer slopes are open canopy types dominated by Pinus flexilis 

 (limber pine) and Pseudotsuga menziesii (Douglas fir) , while 

 closed canopy Douglas fir forests are confined to cooler 

 northern slopes. A narrow corridor of riparian woodlands 

 dominated by Populus acuminata and P. balsamifera is found in 

 the bottom of Cottonwood Canyon. In addition to these 

 vegetation types there is a considerable area which is best 

 characterized as rock outcrop, mostly limestone. All of these 

 native habitats are relatively undisturbed, although a number 

 of exotic and weedy plant taxa are present, most notably in 

 Cottonwood Canyon. 



Prior to fieldwork, the Biological Conservation Database 

 maintained by the Montana Natural Heritage Program was queried 

 for records of BLM potential sensitive and watch species known 

 from the area in Jefferson County. This resulted in just one 

 record of Delphinium andersonii , based on a 1964 Booth 

 collection from along the Jefferson River between Three Forks 

 and Cardwell. In addition, two other sensitive species, 

 Townsendia spathulata , and an undescribed Lesquerella , were 

 identified as search targets based on the extensive limestone 

 in the study area. Timing of the fieldwork in the early 

 growing season was based on the phenology of these targets and 

 on the relatively hot dry climate of the site. 



Field surveys were conducted June 2-5 and on June 14, 

 1993 on foot. Maps showing principle search routes are 

 attached as Appendix 2. Both typical and unusual habitats 

 were searched, special attention being given to limestone 

 outcrops. Roadside populations of the putative Delphinium 

 andersonii were noted en route. 



