J. A Downing | Outdoor R&Dhttps://outdoorrd.org/authors/j.-a-downing/J. A DowningSource Themes Academic (https://sourcethemes.com/academic/)en-usSun, 01 Mar 2015 00:00:00 +0000https://outdoorrd.org/images/logo.svgJ. A Downinghttps://outdoorrd.org/authors/j.-a-downing/Recreational demand for clean water: evidence from geotagged photographs by visitors to lakeshttps://outdoorrd.org/publication/keeler2015/Sun, 01 Mar 2015 00:00:00 +0000https://outdoorrd.org/publication/keeler2015/