Sentence:  Small Business Administration , What It Is , What It Does , SBA Services for Community Economic Development , and various other useful publications on currently important management , technical production , and marketing topics are available , on request , from Small Business Administration , Washington 25 , <WSD>D.C.</WSD> . 
Meaning of the word marked with <WSD> tags:  the district occupied entirely by the city of Washington; chosen by George Washington as the site of the capital of the United States and created out of land ceded by Maryland and Virginia