R090
Sisters
R100
Helens
R265
Helens
R409
PacificNorthwest
R424
Flathead
R46R
WesternNevada
R489
PacificNorthwest
R500
MedicineLake
R649
Mendocino
R931
Pyramid
RAAP
Southern_California
RAIL
MontereyHollis
RALE
BasinAndRange, LongValley
RAMT
LongValley
RANC
CentralCalifornia_SGPS
RAND
PacificNorthwest
RATT
WesternNevada
RBUT
BasinAndRange
RBYU
Ketchum
RC50
NCalifornia_SGPS
RCA2
CentralCalifornia, Southern_California
RCRA
CentralUtah
RD49
NCalifornia_SGPS
RDMT
HectorMine, LongValley, Southern_California
RDOM
LongValley
RE89
LomaProfile
READ
MedicineLake
REDB
MedicineLake
REDD
Helens
REDM
NCalifornia, Newberry, PacificNorthwest, Pacific_Northwest
REF2
Akutan
REFU
CentralCalifornia_SGPS
RELA
LongValley
REP2
LongValley
REP3
LongValley
REP4
LongValley
REPO
LongValley
RESV
Northridge
RETT
Mammoth_SGPS
REUB
PacificNorthwest
REYN
NCalifornia_SGPS
RFLK
Helens, Rainier
RH32
CentralCalifornia_SGPS
RHCL
CentralCalifornia, Southern_California
RICH
HectorMine, LandersPro
RIDG
PacificNorthwest
RIMR
Mammoth_SGPS, SouthernNevada
RIOV
CentralBay
RK35
LandersPro
RK45
FtIrwin
RK59
YuccaMtn
RKBU
Helens, PacificNorthwest
RKCR
Mammoth_SGPS, SouthernNevada
RKPT
PacificNorthwest
RLAP
CentralUS
RLNS
Flathead
RNCH
CentralCalifornia
RNPT
Mendocino
ROBA
CentralCalifornia_SGPS
ROC2
CentralBay
ROCH
Southern_California
ROCK
CentralCalifornia, Southern_California
ROCO
Klamath, PacificNorthwest
ROCP
SFBayArea
ROCS
CentralCalifornia_SGPS
RODM
Sisters
ROG2
PacificNorthwest
ROGE
LongValley, YuccaProfile
ROHN
Mendocino
ROM3
PacificNorthwest
ROSE
PacificNorthwest
ROSS
YuccaMtn
ROTK
Akutan
ROUN
MedicineLake
RPT1
JuanDeFuca, PacificNorthwest, Pacific_Northwest, Pacific_Northwest, Pacific_Northwest
RRAZ
Mammoth_SGPS
RS26
Helens, PacificNorthwest
RSPG
CentralCalifornia_SGPS
RSTP
CentralCalifornia, LongValley, Southern_California
RSVT
MtBaker
RSVY
CentralCalifornia, Southern_California
RTHS
Southern_California
RUBY
BasinAndRange
RUMP
LongValley
RUSS
Mendocino
RUST
PacificNorthwest
RYAN
LongValley, YuccaProfile