Area04
U-4h
Crack
Original Mylar U-4h
Crack within sink
U-4i
Original Mylar U-4i
U-4u
Original Mylar U-4u
U-4t
Original Mylar U-4t
Fault
U-4a
Original Mylar U-4a
Fault within sink
U-4e
Original Mylar U-4e
Yucca Fault
Yucca Fault Zone
Pressure Ridge within sink
Pressure Ridge
U-4aj
Original Mylar U-4aj
U-4at
Original Mylar U-4at
U-4as
Original Mylar U-4as
Sink
U-4n
Original Mylar U-4n
U-4am
Original Mylar U-4am
Symbol (sink hachure)
U-4au
Original Mylar U-4au
U-4c
Original Mylar U-4c
Original Mylar U-4g & U-4h
U-4L
Original Mylar U-4L
U-4ar
Original Mylar U-4ar
U-4ar Fault
U-4p
Original Mylar U-4p
U-4j
Original Mylar U-4j
U-4g
Topgallant Fault Zone
U-4aL
Map Sheet 2t
U-4av
Unknown
U-4ai
Original Mylar U-4ai
Sink within sink
U-4ac
Original Mylar U-4ac
U-4af
Original Mylar U-4af
U-4ak
U-4an
U-4q
Original Mylar U-4q
U-4ah
U-4r
Original Mylar U-4r
U-4b
Original Mylar U-4b
Inferred by dng
U-4d
Original Mylar U-4d