1 Correction to: SN Applied Sciences (2020) 2:1073 https://doi.org/10.1007/s42452-020-2849-2

The article A multi-model approach toward understanding iron fouling at rock-fill drainage sites along roadways in New Hampshire, USA, written by Melissa A. Lombard, Pamela J. Lombard, Craig J. Brown and James R. Degnan, was originally published electronically on the publisher’s internet portal on 14 May 2020 without open access. With the author(s)’ decision to opt for Open Choice the copyright of the article changed on 24 June 2020 to © The Author(s) 2020 and the article is forthwith distributed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.