A06_Attachment_A__Mt__Ruben_Rock_Inventory.pdf
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- Solicitation number
- 140L4325Q0039
About this file
This document is a Rock Resource Inventory for the Mt Ruben (Bonnie Ridge) Quarry located in the Medford District, managed by the Bureau of Land Management (BLM). The quarry is situated in Township 33 S, Range 8W, Section 3, with an active status and is owned by BLM. The site contains gray wacke rock from the Dothon formation, with variable rock strength and fracture spacing, positioned on a ridge top with a near-vertical west face.
The inventory provides detailed engineering data, noting the quarry uses shot excavation with a crush 2" plus method, and has an overburden depth up to 20 feet. Core or air track drill reports exist from 1976 and 1982. The site has approximately 20,000 cubic yards of reserves, with no specific next use currently scheduled. Additional notes indicate that shale can lower the product's durability, and a recommendation is made to avoid crushing rock smaller than 2 inches. The inventory was completed by Parry on 12/06/93, and the site has no notable additional resource values such as vegetation, wildlife, recreation, or water.
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Text version
I,ÍEDFORD DISRTICT
ROCK RESOURCE INVENTORY
L þ
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QUARRY NAl.lE MT RUBEN (BONNIE RIDGE)
*NEI{ GIS NUMBER ORl1 20 QUARRY STATUS ACTIVE
OLD R.S.I. NUMBER 20 RESOURCE AREA GL
*thíe is the number on the 1991 transportation maPE
LOCATTON
TOWNSHTP 33 S RANGE 8W SECTION 3 9UARTER
OI{NERSHTP BL¡.f
ROAD NUMBER 33-8-4 ROAD NA}IE
GENERAI, INFORMATION
l=yes N=no P=print S=EILde
TO!{NSHTP AND RANGE FILE? Y PHOTOGRAPHS? Y
COMMUNITY PIT? Y NEEDS RECLAIUING? N
GEOLOGY
ROCK TYPE GRAY WACKE FORMATION DOTHON
ROCK STRENGHT VARIES WEATHERTNG
FRACTURE SPACING VARIES INChCE
TOPOGRAPHY RIDGE TOP, WITH NEAR VERTTCLE WEST FACE
ENGINEERTNG DATA
PRODUCTION UETHOD SHOT EXCAVATION ¡'ÍETHOD
OVERSIZE O I GENERATED EXISTING OVERSIZE O
OVERBURDEN DEPTH UP To 20 Feet
CORE OR AIR TRACK DRILL REPORTS: YES 1976 AND 1982
TEST RESI'LTS C=crushed rock eampls ç=grab sample YEAR CIC LAbrasLon Dcoarge DFine SandEg PI sw
CRUSH 2" PLUS
CY
LL
L723270 2551380
SHORT NARITIVE OF SITE:
STIAI,E LOWERS THE DURABILTTY OF PRODUCT. F. PERKINS RECOMMEN
DONT CRUSH SMALLER T¡TA¡¡ 2". PRODUCTION AIR TRACK HOLES ON UPPER
BENCH DRILLED BUT NOT USEDT FOR APX 2O,OOOCY
OTHERINFORIÍATION: ,:ì DrD ROAD CREW USE 5,OOO CY rN 1992? - rT '-
RESERVES APX. 20,000
NEXT USE NONE SCHEDULED (BACK COUNTRY BY-WAY?)
PRODUCTION RECORDS
TIUBER SALE CUBIC YARDS APPRAISED COST
-!,,.',; i!';':'^ 0 0.00 '11 ,brt. ):"1'' 1''" ' /
^ , O.OO S C:, /,. c! lr-C. /C l, nl,,i ¡.,.,, ,"",,/ ,!.,,i ú,, 5ht ¡ 8,ç-tþ'<; c / -0 o.oo - .-
OTHER RESOURCE VALUES
VISUAI FROI.T WISKEY CRK. ROAD MINERALS CO¡.TMT'NITY PIT
\TEGEIATION NONE RECREATION NO
WILDLIFE NO WATER NO
rrwENToRY COMPLETED BY PARRY DATE L2/O6/93 jlulich Text Box Attachment A
E -n€-;:.i n'I'u'û'!
/iû, ofÍ
File details come from the government source that posted it. Updated .