The Rocky Mountain - Great Plains Graduate Workshop in Combinatorics (GRWC) is an intensive 2-week summer research workshop for experienced graduate students and postdocs from all areas of combinatorics. This summer, the 4th GRWC will be held from July 9 - 22, 2017 at the University of Denver and The University of Colorado Denver, both in Denver, Colorado. Please direct any questions about the GRWC or our application process to firstname.lastname@example.org. Application information is available on the GRWC website. Please send all application materials in a single email to email@example.com.