Version History for Scientific Investigations Report 2015–5135 By John F. Stamm, Dennis Todey, Barbara Mayes Boustead, Shawn Rossi, Parker A. Norton, and Janet M. Carter Modern (1992–2011) and Projected (2012–99) Peak Snowpack and May–July Runoff for the Fort Peck Lake and Lake Sakakawea Watersheds in the Upper Missouri River Basin ----------------------------------------------------- Version 1.0: Posted Online December 18, 2015 ----------------------------------------------------- Version 1.1: Posted Online March 22, 2016 Abstract, second paragraph, first sentence—changed from “Annual peak snowpack was projected to have a downward trend for the Fort Peck Lake watershed and an upward trend..." to “Annual peak snowpack was projected to have a downward trend for the Fort Peck Lake watershed and no trend..." Summary, last paragraph, second sentence—changed from “Regressed May–July runoff for 2012–99 for the two watersheds combined (Lake Sakakawea watershed) was projected to have two events…” to “Regressed May–July runoff for 2012–99 for the two watersheds combined (Lake Sakakawea watershed) was projected to have events…” ----------------------------------------------------- Version 1.2: Posted Online June 14, 2016 Title page, three authors were removed from author byline. Back of title page, changed "Suzette Kimball, Acting Director" to "Suzzette Kimball, Director." Three authors were removed from suggested citiation. Page 1, three authors were removed from author byline. Author footnotes were re-numbered. Introduction, fourth paragraph, fourth sentence, "December 2011" was revised to "December 2010." Introduction, sixth paragraph, first sentence was deleted. Seventh paragraph, first sentence was revised from "The U.S. Army Corps of Engineers completed an internal, unpublished pilot research study in collaboration with the USGS, National Weather Service, U.S. Department of Agriculture Natural Resources Conservation Service, and South Dakota State University to help address the aforementioned research question" to "The U.S. Army Corps of Engineers completed a pilot research study (Grode and others, 2014) in collaboration with the USGS, National Weather Service, U.S. Department of Agriculture Natural Resources Conservation Service, and South Dakota State University to help address the aforementioned research question." Summary, first paragraph, third sentence was revised from "The U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, completed a followup study to simulate modern (1992–2011) and projected (2012–99) mountain peak snowpack and May–July runoff into Fort Peck Lake and Lake Sakakawea in the upper part of the Missouri River Basin." to "The U.S. Geological Survey, in cooperation with the Climate Preparedness and Resilience Community of Practice of the U.S. Army Corps of Engineers, completed a followup study to simulate modern (1992–2011) and projected (2012–99) mountain peak snowpack and May–July runoff into Fort Peck Lake and Lake Sakakawea in the upper part of the Missouri River Basin."