Instruction manual. 

 - Hyattsville,Md. 
<br/><br/> Title from title screen (viewed on July 30, 2004). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographical location codes<br/>Vital statistics--Data processing
<br/><br/><label>GPO Item No.: </label>0509-D-01(online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>HE 20.6208/3-2: