These Arvciew grid files were create using Spatial Analyst. The subset of sites that are included
on the maps consist of only the ones that met the NADP/NTN Completeness Criteria for the annual
period. Each grid are distributed as a zip archive file. A metadata file is included in each zip file.
If you intend on reprinting any of these maps for use in a publication, please read our
Map Use Conditions.