Overgo probe data. See more information here: https://maizegdb.org/data_center/overgo and here: https://www.ncbi.nlm.nih.gov/probe/docs/techovergo/ Reference: Anchoring 9,371 Maize Expressed Sequence Tagged Unigenes to the Bacterial Artificial Chromosome Contig Map by Two-Dimensional Overgo Hybridization. Jack Gardiner, Steven Schroeder, Mary L. Polacco, Hector Sanchez-Villeda, Zhiwei Fang, Michele Morgante, Tim Landewe, Kevin Fengler, Francisco Useche, Michael Hanafey, Scott Tingey, Hugh Chou, Rod Wing, Carol Soderlund, Edward H. Coe Plant Physiology, April 2004, Vol. 134, pp. 1317–1326 DOI: 10.1104/pp.103.034538