c     -----------------------------------------------------------------
c     file 'm2geo.inc'

c     This block common is contains variables used for a simulation run
c     for MAIN and EROSION.

c     + + + VARIABLE DECLARATIONS + + +

      integer          imax
      integer          jmax
      real             ix
      real             jy


      common /m2geo/
     i                 imax, jmax,
     r                 ix, jy

c     + + + VARIABLE DEFINITIONS + + +

c     imax    - Number of grid intervals in x direction on EROSION grid

c              range values      min       max
c              ------------   ---------  ---------
c              fixed              2        30
c              typical           20        20
c              ------------   ---------  ---------

c


c     jmax  -  Number of grid intervals in y direction on EROSION grid

c              range values      min       max
c              ------------   ---------  ---------
c              fixed              2         30
c              typical           20         20
c              ------------   ---------  ---------

c


c     ix     - grid interval in x-direction(m)

c              range values       min        max
c              ------------   ---------  ---------
c              fixed            7.0       3000
c              typical          20.       2000
c              ------------   ---------  ---------

c

c     jy     - grid interval in y-direction (m)

c              range values       min        max
c              ------------   ---------  ---------
c              fixed            7.00      3000
c              typical         20.00      2000
c              ------------   ---------  ---------