. ▁ ▁The ▁App al ach ian ▁Mountains ▁were ▁extens ively ▁tim ber ed ▁in ▁the ▁early ▁tw enti eth ▁century ▁leaving ▁logging ▁roads ▁that ▁are ▁ ▁becoming ▁over g rown ▁but ▁still ▁pass able . ▁Old ▁logging ▁roads ▁and ▁rail road ▁gr ades ▁can ▁be ▁located ▁by ▁consult ing ▁the ▁historical ▁top ographic ▁maps ▁available ▁from ▁the ▁United ▁States ▁Ge ological ▁Survey ▁( US GS ). ▁The ▁Fe ather camp ▁wild area ▁is ▁covered ▁by ▁US GS ▁top ographic ▁maps ▁K onn ar ock ▁and ▁Dam asc us . ▁ ▁Natural ▁history ▁Old ▁growth ▁forest ▁have ▁been ▁identified ▁near ▁C uck oo ▁Kn ob ▁and ▁on ▁Fe ather camp ▁R idge .. ▁ ▁The ▁area ▁contains ▁cov es ▁in ▁which ▁leaf ▁rot ▁has ▁accum ulated ▁that ▁supports ▁an ▁array ▁of ▁m ush rooms — the ▁ch anter elle , ▁Ca esar , ▁yellow ▁and ▁vio let ▁cor als , ▁and ▁mil ky ▁white . ▁ ▁Two ▁streams ▁in ▁the ▁area , ▁R ush ▁Creek ▁and ▁Fe ather camp ▁Branch , ▁are ▁recognized ▁for ▁their ▁water ▁quality . ▁ ▁Wild ▁natural ▁tr out ▁streams ▁in ▁Virginia ▁are ▁class ified ▁by ▁the ▁Department ▁of ▁Game ▁and ▁In land ▁Fish eries ▁by ▁their ▁water ▁quality , ▁with ▁class ▁i ▁the ▁highest ▁and ▁class ▁iv ▁the ▁lowest . ▁ ▁R ush ▁Creek ▁and ▁Fe ather camp ▁Branch ▁are ▁class ▁ii ▁streams . ▁ ▁Top ography ▁As ▁part ▁of ▁the ▁Southern ▁Blue ▁R idge ▁Mountains ▁Sub section ▁within ▁the ▁Central ▁App al ach ian ▁Broad leaf ▁Con