Blair-Tyler, Martha. <br/><br/>
Look before you build :  geologic stidies for safer land development in the San Francisco Bay Area / 
by Matha Blair Tyler. 
 - Washington :  United States Government Printing Office,  1995. 
 - 54 p. :  ill. ;  30 cm. 
 - U.S. Geological Survey circular;  1130. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthquake hazard analysis--California--San Francisco Bay Area<br/>Land use--Planning--California--San Francisco Bay Area