So, the Bay Area has been fairly mixed ethnically for a long time--caucasians may have seemed to be a large populous but that's because most tourists back then were caucasian and many of the hippies were caucasians so that's who the photographers took pictures of.
1	So	so	ADV	RB	_	9	advmod	9:advmod	SpaceAfter=No
2	,	,	PUNCT	,	_	9	punct	9:punct	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	5:det	_
4	Bay	Bay	PROPN	NNP	Number=Sing	5	compound	5:compound	_
5	Area	Area	PROPN	NNP	Number=Sing	9	nsubj	9:nsubj	_
6	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux	9:aux	_
7	been	be	AUX	VBN	Tense=Past|VerbForm=Part	9	cop	9:cop	_
8	fairly	fairly	ADV	RB	_	9	advmod	9:advmod	_
9	mixed	mixed	ADJ	JJ	Degree=Pos	0	root	0:root	_
10	ethnically	ethnically	ADV	RB	_	9	advmod	9:advmod	_
11	for	for	ADP	IN	_	14	case	14:case	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	14:det	_
13	long	long	ADJ	JJ	Degree=Pos	14	amod	14:amod	_
14	time	time	NOUN	NN	Number=Sing	9	obl	9:obl:for	SpaceAfter=No
15	--	--	PUNCT	:	_	9	punct	9:punct	SpaceAfter=No
16	caucasians	Caucasian	NOUN	NNS	Number=Plur	19	nsubj	19:nsubj|24:nsubj:xsubj	_
17	may	may	AUX	MD	VerbForm=Fin	19	aux	19:aux	_
18	have	have	AUX	VB	VerbForm=Inf	19	aux	19:aux	_
19	seemed	seem	VERB	VBN	Tense=Past|VerbForm=Part	9	parataxis	9:parataxis	_
20	to	to	PART	TO	_	24	mark	24:mark	_
21	be	be	AUX	VB	VerbForm=Inf	24	cop	24:cop	_
22	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	24:det	_
23	large	large	ADJ	JJ	Degree=Pos	24	amod	24:amod	_
24	populous	populace	NOUN	NN	Number=Sing|Typo=Yes	19	xcomp	19:xcomp	CorrectForm=populace
25	but	but	CCONJ	CC	_	34	cc	34:cc	_
26-27	that's	_	_	_	_	_	_	_	_
26	that	that	PRON	DT	Number=Sing|PronType=Dem	34	nsubj:outer	34:nsubj:outer	_
27	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	34	cop	34:cop	_
28	because	because	SCONJ	IN	_	34	mark	34:mark	_
29	most	most	ADJ	JJS	Degree=Sup	30	amod	30:amod	_
30	tourists	tourist	NOUN	NNS	Number=Plur	34	nsubj	34:nsubj	_
31	back	back	ADV	RB	_	32	advmod	32:advmod	_
32	then	then	ADV	RB	PronType=Dem	34	advmod	34:advmod	_
33	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	34	cop	34:cop	_
34	caucasian	Caucasian	ADJ	JJ	Degree=Pos	19	conj	19:conj:but	_
35	and	and	CCONJ	CC	_	41	cc	41:cc	_
36	many	many	ADJ	JJ	Degree=Pos	41	nsubj	41:nsubj	_
37	of	of	ADP	IN	_	39	case	39:case	_
38	the	the	DET	DT	Definite=Def|PronType=Art	39	det	39:det	_
39	hippies	hippie	NOUN	NNS	Number=Plur	36	nmod	36:nmod:of	_
40	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	41	cop	41:cop	_
41	caucasians	Caucasian	PROPN	NNPS	Number=Plur	34	conj	34:conj:and	_
42	so	so	ADV	RB	_	45	advmod	45:advmod	_
43-44	that's	_	_	_	_	_	_	_	_
43	that	that	PRON	DT	Number=Sing|PronType=Dem	45	nsubj	45:nsubj	_
44	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	45	cop	45:cop	_
45	who	who	PRON	WP	PronType=Rel	34	parataxis	34:parataxis	_
46	the	the	DET	DT	Definite=Def|PronType=Art	47	det	47:det	_
47	photographers	photographer	NOUN	NNS	Number=Plur	48	nsubj	48:nsubj	_
48	took	take	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	45	acl:relcl	45:acl:relcl	_
49	pictures	picture	NOUN	NNS	Number=Plur	48	obj	48:obj	_
50	of	of	ADP	IN	_	49	nmod	49:nmod	SpaceAfter=No
51	.	.	PUNCT	.	_	9	punct	9:punct	_
