Related Clues:

• Go on about Reg when one is in the dark Columbian river
• No, Reg will always keep it dark
• Has R gone and got black?
• Gone and got black about R
• Black, in Tijuana
• Black note held by fiddler
• Lack of protest makes one grow black
• River explored by retired major general
• Civil Rights-era racial identification
• Amazon tributary
• Rio ___ (Amazon feeder)
• Sort of spiritual good an emperor embraces
• Part of U.N.C.F
• UNCF word
• Spanish "black"