@misc{indiciae6e9d674c24a8, title = {Contaminant gradients in trees: Directional tree coring reveals boundaries of soil and soil-gas contamination with potential applications in vapor intrusion assessment}, author = {Jordan L. Wilson and V.A. Samaranayake and Matthew A. Limmer and John G. Schumacher and Joel G. Burken}, year = {2017}, doi = {10.1021/acs.est.7b03466}, url = {https://pubs.usgs.gov/publication/70194566}, note = {Source identifier: 70194566} }