APPENDIX 3. 



Global rank: G5 

 State rank: SI 



QUERCUS MACROCARPA * 001 

 BUR OAK 



Forest Service status: 

 Federal Status: 



Survey site name: ALZADA OAKS 



EO rank: AB 

 EO rank comments: EXTENSIVE, THREATENED. 



County : CARTER 



USGS quadrangle: GOMER DRAW 



ALZADA 

 COCHRAN RESERVOIR 



31; 33; 34; 35 



Survey date: 1986-06-15 

 First observation: 194X-05-13 



Last observation: 1992-08-27 



Elevation: 3435 -3650 

 Slope/aspect: 0-20%/ALL ASPECTS, 



ESPECIALLY NE 

 Size (acres) : 1200 



Location: 



FROM ALZADA GO NORTH ON HWY 212 ABOUT 1 MILE, CROSS RIVER, 

 TAKE RIDGE ROAD WEST 5.4 MILES. PROCEED SOUTH ON UNIMPROVED 

 ROAD ABOUT 2 MILES TO SHELDON CREEK. 



Element occurrence data: 



EST. 5,000 TO 10,000 TREES AS DOMINANTS OR CO-DOMINANTS 

 ACROSS MUCH OF SCATTERED SAVANNA AND SCRUB WOODLAND 

 COMMUNITIES; 10-20 FEET TALL, MOSTLY LESS THAN 20 CM DBH, 

 MAXIMUM DBH CA. 45 CM. IN LEAF; SEEDLINGS; INSECT DAMAGE, 

 EXPRESSWAY-SIZED MINING ROADS, GRAZING, BENTONITE MINING. 

 DIMINISHING IN FREQUENCY WESTWARD AND DOWNSLOPE. 



General site description: 



CONCENTRATED ON EASTERN THREE-FOURTHS OF NW-SE TRENDING 

 SHALE RIDGE SYSTEMS, ALSO EXTENDING EAST TO LITTLE MISSOURI 

 RIVER. MOWRY SHALE-HEAVY CLAY SOIL; PINUS PONDEROS A/ QUERCUS 

 MACROCARPA/ JUN I PERUS SCOPULORUM WOODLAND WITH ALMOST NO 

 SHRUB UNDERSTORY, ALMOST NO WOODLAND HERBACEOUS UNDERSTORY; 

 MAINLY CAREX PENSYLVANICA AND PRAIRIE GRASSES. 



Land owner/manager: 



PRIVATELY OWNED LAND (INDIVIDUAL OR CORPORATE) 



BLM: MILES CITY DISTRICT, POWDER RIVER RESOURCE AREA 



STATE LAND - UNDESIGNATED 



Comments : 



AMONG WESTERNMOST STANDS OF BUR OAK RANGEWIDE; EXTENDING 

 INTO WYOMING. ALSO CONSIDERED A COMMUNITY EO. 



Information source: 



LESICA, P. DIVISION OF BIOLOGICAL SCIENCES, UNIV. OF 

 MONTANA, MISSOULA, MT 59812. 



