Cite this dataset when used as a source. All data are open for dissemination and re-use for any purpose, but you must attribute credit to the owner and cite use appropriately according to the LTER Data Access Policy (http://www.lternet.edu/policies/data-access) The SGS-LTER data collection represents over 30 years of hard work by dedicated scientists and technicians. Please respect the effort that went into the creation of these data sets. Prior to submission of your manuscript, you are also encouraged to send a copy of the report or manuscript to the principal investigator of the data. The SGS-LTER should be adequately cited in any resulting publications. Citation formats for data use are emerging, as an example we provide: Lauenroth, W. K. (1981). SGS-LTER Historical LTER Soil water - neutron probe field data from across the Central Plains Experimental Range, Nunn, Colorado, USA, ARS Study Number 10. Retrieved from http://hdl.handle.net/10217/82918 Copyright 2009-2014 Long Term Ecological Research Network. This material is based upon work supported by the National Science Foundation under Cooperative Agreements #DEB-0832652 and #DEB-0936498. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the LTER Network.