Magnetospheric Multiscale Observation of an Electron Diffusion Region at High Latitudes. - Burkholder, B. L.; Nykyri, K.; Ma, X.; Rice, R.; Fuselier, S. A.; Trattner, K. J.; Pritchard, K. R.; Burch, J. L.; Petrinec, S. M. (Geophysical Research Letters, 2020)