PROSPECTUS SUPPLEMENT DATED FEBRUARY 22, 1999
                      TO PROSPECTUS DATED FEBRUARY 2, 1999
                                       OF
                 INTEGRATED SPATIAL INFORMATION SOLUTIONS, INC.

     The  information  which  follows  supplements  disclosure  contained in the
Prospectus dated February 2, 1999 of Integrated Spatial  Information  Solutions,
Inc.  (the  "Company)  relating to the offering of shares of the Common Stock of
the Company by various shareholders of the Company.

     The Company has been advised by the major lending  institution from whom it
had obtained a commitment  letter for a $3 million revolving line of credit that
the  commitment  letter  has  been  withdrawn  and the  commitment  fee is being
returned  to  the  Company.   The  Company  is  actively  pursuing   alternative
asset-based  financing  arrangements to support its working capital needs. There
can be no assurance that such financing will be obtained in the near term, or at
all.

     Separately, the Company has negotiated a final price with the lessor of its
real property in Franktown,  Colorado,  who exercised his purchase  option.  The
purchase  transaction  is  expected  to close in the near future and the Company
anticipates  that the proceeds from the sale will liquidate the pending  balloon
payment  related to the mortgage on the property and provide  near-term  working
capital for Company operations.


             Date of this Prospectus Supplement is February 22, 1999