▁It ▁lay ▁at ▁an ▁elev ation ▁of ▁ 2 2 8 0 ▁feet ▁( 6 9 5 ▁m ). ▁Sol on ▁was ▁located ▁on ▁the ▁At ch ison , ▁To pe ka ▁and ▁Santa ▁Fe ▁Rail road ▁about ▁ ▁east - n ortheast ▁of ▁Edwards . ▁It ▁appears ▁on ▁maps ▁as ▁of ▁ 1 9 4 2 . ▁ ▁References ▁ ▁Category : Form er ▁settlement s ▁in ▁K ern ▁County , ▁California ▁Category : Form er ▁populated ▁places ▁in ▁California <0x0A> </s> ▁A ▁system ▁of ▁plant ▁tax onomy , ▁the ▁Thor ne ▁system ▁of ▁plant ▁classification ▁was ▁de vised ▁by ▁the ▁American ▁botan ist ▁Robert ▁F . ▁Thor ne ▁( 1 9 2 0 – 2 0 1 5 ) ▁in ▁ 1 9 6 8 , ▁and ▁he ▁continued ▁to ▁issue ▁revis ions ▁over ▁many ▁years ▁( 1 9 6 8 – 2 0 0 7 ). ▁ ▁Some ▁versions ▁of ▁the ▁system ▁are ▁available ▁online . ▁The ▁Bio in format ics ▁Working ▁Group ▁Center ▁for ▁the ▁Study ▁of ▁Digital ▁L ibr aries ▁at ▁Texas ▁A & M ▁University ▁lists ▁the ▁March ▁ 1 9 9 9 ▁version ▁( and ▁other ▁classification ▁systems ). ▁James ▁Re ve al ' s ▁course ▁lecture ▁notes ▁( 1 9 9 9 ) ▁also ▁gives ▁an ▁account ▁of ▁the ▁Thor ne ▁system ▁at ▁that ▁time , ▁with ▁an ▁extensive ▁listing ▁of ▁syn onym s , ▁both ▁nom en cl atural ▁and ▁tax onom ic , ▁for ▁each ▁name ▁in ▁the ▁system ▁together ▁with ▁several ▁other