Janssen, Greg, <br/><br/>
Geographic allocation of state level nonroad engine population data to the county level  :  report no. NR-014  / 
Greg Janssen, Mike Sklar. 
 - 1 online resource (20 pages) 
<br/><br/> "EPA-420-P-98-028."  "September 16, 1998."  CRDP Program record. 
<br/><br/>Includes bibliographical references (page 20). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air--Pollution--Computer simulation.--United States<br/>Combustion gases--Environmental aspects--Computer simulation.--United States<br/>Combustion gases--Environmental aspects--Forecasting.--United States<br/>Engines--Environmental aspects--Computer simulation.<br/>Air--Pollution--Computer simulation.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States.
<br/><br/><label>GPO Item No.: </label>0483-E-01 (online) 
<br/><br/><label>Gov. Doc. Class. No.: </label>EP 4.2:G 29/998 
<br/><br/><label>Report. No.: </label>EPA-420-P-98-028