NBCD2000 Mapping Zones (IMAGE) Woodwell Climate Research Center Caption To date, 5 of the 66 mapping zones have been completed in the NBCD2000 project. The remaining 61 will be completed at an approximate rate of one every seven working days. Credit Wayne Walker/Greg Fiske. Woods Hole Research Center. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.