The Apaches, according to the Mexicans, were experts at hunting antelopes in this manner.
We excavated a mound near Old Juarez and found in it a small basin of black ware.

There were twelve or fifteen other mounds, all containing house groups.

The largest among them was 100 feet long, fifty feet wide, and ten feet high; others, while covering about the same space, were only three or four to six feet high.

They were surrounded, in an irregular way, by numerous stone heaps, some quite small, others large and rectangular, inclosing a space thirty by ten feet.
From an archaeological point of view, the district we now found ourselves in is exceedingly rich, and I determined to explore it as thoroughly as circumstances permitted.

One can easily count, in the vicinity of San Diego, over fifty mounds, and there are also rock carvings and paintings in various places.