1769-1900 : from outpost to upstart -- 1900-1910 : strangers in paradise -- 1910-1920 : dynamite, waterworks and picture shows -- 1920-1930 : the great American boomtown -- 1930-1940 : brother, can you spare a dream? -- 1940-1950 : from battlefields to barbecues -- 1950-1960 : sprawling toward tomorrow -- 1960-1970 : homesteading on the new frontier -- 1970-1980 : whose future is it? -- 1980-1990 : the world comes to stay -- 1990 and beyond : remembering the future.