Sentence:  Small Business Administration , What It Is , What It Does ; SBA Business Loans and Small Business Pooling are available , on request , from Small Business Administration , Washington 25 , <WSD>D.C.</WSD> , and its regional offices . 
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