calquad.dbf	geo_info	usgs-drg_info	spot_info	dfg_info
Calquad_	x	x	x	x	x
Quadname	x	x	x	x	x
Mapname	x		x
Scanname	x		x
Usgscode	x	?	x	x	x
Quadcode	x	?	x	?	x?
Ocode	x	?	x	x	x
Cnpscode	x
Ccc_code	accidently	dropped	---	---
Quadsize	accidently	dropped	---	---
Mapname25		x
Q100code		x
Q100name		x
Q250code		x
Q250name		x
State1		x
State2		x
Border		x
Utm_zone		x
Utm_mgrs		x
Ccszone27		x
Ccscode27		x
Ccsmix		x
Ccszone83		x
Ccscode83		x
Basemerid		x
Spotview				x
Spotcd				x
R1					x
R2					x
R3					x
R4					x
R5					x
R6					x
R7					x
Yrscan			x
Scancd			x
Scancode	x		x
Trimmb			x
Untrimmb			x
Yrcurrent			x
Yrlatest			x
Yrorigmap			x
Yrrevision			x
Yrairphoto			x
Yrfieldck			x
Yrphtotopo			x
Yrrevsourc			x
Yrphtoinsp			x
Yrusgscur			x
Yrusgscur1			x
South			x
North			x
East			x
West			x
Se_cor_lon			x
Se_cor_lat			x
Contourint			x
Conintrmit			x
Vert_datum			x
Kscale			x
Format			x
Projection			x
Notes			x
Stockno			x
Ref_code			x
Metacode			x
Metadate			x
Usercode			x