Bias, Thomas, Shay Daily, Christiaan Abildso, Heather Venrick, Elizabeth Shay, Samantha Moyers, Adam Hege, Vaike Haas, Angela Dyer, Robert Broce, and Richard Christiana. 2021. “Systematic Observation of Physical Distancing Behaviors of Trail Users During the COVID-19 Pandemic”. Journal of Healthy Eating and Active Living 1 (3):121-27. https://doi.org/10.51250/jheal.v1i3.19.