Reference

The data on the total area affected by fires between 1998 and 2001 can be extracted from several sources. Here are the consolidated statistics:

1. 1998:

   • In the United States, approximately 1.4 million acres were affected by wildfires.

2. 1999:

   • Approximately 5.7 million acres were affected by wildfires.

3. 2000:

   • More than 8.4 million acres were impacted by wildfires.

4. 2001:

   • Around 3.6 million acres were affected by fires.

Overall, between 1998 and 2001, the United States experienced approximately 19.1 million acres of wildfire-affected land.

These figures are averages at a national level and may vary when considering specific regions or detailed reports from different sources.

For further details, you can refer to the National Interagency Fire Center's statistics at NIFC.gov.