Prehistoric California is 1 example of a "stone age" civilization that survived as late as 1800 AD

Chapters	Relevance of Emeryville Shellmound Material
6.1 Students describe what is known through archaeological studies of the early physical and cultural development of humankind from the Paleolithic era to the agricultural revolution	Archaeology as a source of information; provides understanding that all areas of world did not develop at same rate and in same direction: native California was still "stone age" in 1769, agriculture was not practiced by native people of Central California
6.1-1 Describe the hunter-gatherer societies, including the development of tools and the use of fire	Emeryville Shellmound people were hunter-gatherers using similar tools and living strategies to those used in Paleolithic cultures
6.1-2 Identify the human communities that populated the major regions of the world and describe how humans adapted to a variety of environments.	Human adaptation to the San Fransisco Bay environment is central to this material.
6.1-3 Discuss the climatic changes and human modifications of the physical environment that gave rise to the domestication of plants and animals and new sources of clothing and shelter	Environmental changes on the bay caused some significant shifts in food sources; native people also may have changed habitats and altered animal population. There have been significant environmental changes in the Bay Region due to historic and modern activities that have required  changes in life ways.