@book{50e1be18464946e38a3be13b42824496,
title = "2015 Summary of Critical Load Maps",
abstract = "This summary is a collection of critical load maps for the U.S., developed by CLAD members using critical load data that are publically available as part of the NADP CLAD National Critical Load Database (NLCD).",
keywords = "ISWS",
author = "{National Atmospheric Deposition Program}",
note = "Copyright ... University of Illinois Board of Trustees. All rights reserved. This document is a product of the Illinois State Water Survey, and has been selected and made available by the Illinois State Water Survey and the University Library, University of Illinois at Urbana-Champaign. It is intended for research and educational use, and proper attribution is requested.",
year = "2015",
month = oct,
language = "English (US)",
series = "ISWS Miscellaneous Publication MP-204",
number = "MP-204",
}