accessory table for calquad coverage.
users can link to calquad useing CALQUAD-ID or QUADNAME (a fall back method).
table can also be loaded as a point theme useing the x and y fields

For more information plase refer to calquad.txt..

'---------------------------
ITEM NAME          WIDTH OUTPUT  TYPE N.DEC  DESCRIPTION
CALQUAD-ID             4     5     B      -  User-assignable identifier
QUADNAME              27    27     C      -  USGS 7.5' quad name
x_coord   for a calculated centroid                               
y_coord   for a calculated centroid

Extra fields (also still in calquad)...
  MAPNAME               31    31     C      -  Teale name for USGS 7.5' quad
  SCANNAME              30    30     C      -  Teale name for DRG scan file
  SCANCD                 3     3     C      -  CD-ROM disk number of 7.5' DRG
  SCANCODE               8     8     C      -  File name of 7.5' DRG quad image 
  USGSCODE               7     7     C      -  USGS code for degree block of quad
  OCODE                  8     8     C      -  Teale code for DRG quad image file

  Extra fields (and in calquad_dfg_info)...
  QUADCODE               7     7     C      -  DFG code equivalent to USGSCODE

The following fields are unique to this table...
TRIMMB                 4     5     F      2  Trimmed DRG file size, megabytes
UNTRIMMB               4     5     F      2  Standard (untrimmed) DRG file size

YRSCAN                 4     4     C      -  Latest year shown on DRG quad image
YRCURRENT              4     4     C      -  Currentness year of USGS 7.5' quad
YRLATEST               4     4     C      -  Latest year shown on DRG scan (difrence fron YRSCAN??? TL)
YRORIGMAP              4     4     C      -  Year of original USGS mapping
YRREVISION             4     4     C      -  Year of revision
YRAIRPHOTO             4     4     C      -  Year of aerial photography
YRFIELDCK              4     4     C      -  Year quad was field-checked
YRPHTOTOPO             4     4     C      -  Year of revision aerial photography
YRREVSOURC             4     4     C      -  Year of revision source data
YRPHTOINSP             4     4     C      -  Year of photo-inspection
YRUSGSCUR              4     4     C      -  Year of currentness (USGS database)
YRUSGSCUR1             1     1     C      -  Flags YRUSGSCUR as photo-insp. only

SOUTH                  8    10     F      5  Southern limit of 7.5' quad (DD)
NORTH                  8    10     F      5  Northern limit of 7.5' quad (DD)
EAST                   8    10     F      5  Eastern limit of 7.5' quad (DD)
WEST                   8    10     F      5  Western limit of 7.5' quad (DD)
SE_COR_LON             9     9     C      -  Longitude of southeast corner (DMS)
SE_COR_LAT             9     9     C      -  Latitude of southeast corner (DMS)

CONTOURINT            10    10     C      -  Contour interval (main)
CONINTRMIT            10    10     C      -  Contour interval (intermittent)
VERT_DATUM            15    15     C      -  Vertical datum (for elevations)
KSCALE                 2     2     C      -  Original map scale (1:24,000/25)
FORMAT                12    12     C      -  Hardcopy map format (geographic)
QUADSIZE               1     1     C      -  Flags non-standard quad sizes etc.(got dropped by accident)
PROJECTION            80    80     C      -  Original USGS 7.5' quad projection
NOTES                175   175     C      -  Processing or other detail notes

STOCKNO                8     8     C      -  USGS Stock Number for 7.5' quad
REF_CODE              25    25     C      -  USGS reference code for 7.5' quad 

METACODE               8     8     C      -  Update tracking code
METADATE               8     8     C      -  Date of Calquad update
USERCODE               8     8     C      -  User-defineable code