Alamo Main Gate outside

 Because of the failed Mexican attack on "Crockett's Palisade " , the Mexicans moved to their left to the South West corner of the Alamo. They had to cross the Alamo Main Gate and the earthen Lunette protecting that gate.

Alamo Crockett's Palisade

 

The attack on the Palisade stalls, The Mexicans move to their left to the Corner of the South West Wall.

ALAMO PROJECT West Wall

 

The famous 18 pounder on the South West corner. 

                

Mexican troops enter through the opened postern gate in the North West Wall.

Mexicans seized the 18 pounder and turned it on the Texians.