Predicting physical distancing on recreational trails during COVID-19 - Ingrid E. Schneider; Julian A. Wolfson; Wyatt J. Tarter; Christopher J. Wynveen; Megha S. Budruk; Heather J. Gibson; William W. Hendricks; Kimberly J. Shinew; Taylor V. Stein; Deonne VanderWoude (Journal of Outdoor Recreation and Tourism, 2023)