

■" "58 



-O-l-A 



.^^'a 





10 

 I 



LEGEND 



0ai-Holocene alluvial deposits 

 Qc-Holocene coastal sediments 

 Qb- Pleistocene Beaumont formation 



20 Miles 



10 20 30 Kilometers 



Figure 9. Generalized geologic map of Quaternary- age sediments in 

 the Galveston-Brazoria County region of the Texas gulf 

 Coastal Plain (from Garner, 1967). 



25 



