Revision history for PP 1842-X Jill A. Shaffer, Lawrence D. Igl, Douglas H. Johnson, Marriah L. Sondreal, Christopher M. Goldade, Melvin P. Nenneman, Travis L. Wooten, and Betty R. Euliss The Effects of Management Practices on Grassland Birds-Chestnut-Collared Longspur (Calcarius ornatus) ----------------------------------------------------- Posted online June 1, 2020 ----------------------------------------------------- Revised and reposted March 31, 2022, version 1.1 Two instances of "McCown's Longspur" changed to "Thick-billed Longspur" Authors for Shaffer and others (2019) reference corrected in References Cited section