Sentence:  For the States which maintain two separate agencies - <WSD>one</WSD> for the vocational rehabilitation of the blind , and one for the rehabilitation of persons other than the blind - the Act specifies that their minimum ( base ) allotment shall be divided between the two agencies in the same proportion as it was divided in fiscal year 1954 . 
Meaning of the word marked with <WSD> tags:  having the indivisible character of a unit