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'''California Polytechnic State University, San Luis Obispo established March 8, 1901""
'''Chapter founded as Eta Rho March 2, 2013''''''
'''111 charter members'''''
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'''Some of Eta Rho's Outstanding Alumnae:''' (If you have chapter alumna who have received recognition in any of these three categories, please list them with the date(s) of recognition.)
'''Fraternity Council Officers:'''
'''Fraternity Loyalty Award Recipients:'''
'''Fraternity Alumnae Achievement Award Recipients:'''
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==Colonization==
==Installation==
On March 2, 2013, the collegiate members of Epsilon Xi from Northridge, CA and Epsilon Psi from Santa Barbara, CA along with several alumnae were invited to join in the installation of the Eta Rho Chapter of Kappa Kappa Gamma in San Luis Obispo, CA. This established the Fraternity's 139th active chapter with 111 charter members.