Tree-Ring Dating Results, The Dillard Site Database, Crow Canyon Archaeological Center

TREE-RING DATES

Study Unit	Description	Inside Date (A.D.)	Outside Date (A.D.)	Tree Species	PD	FS	PL	Tree-Ring Laboratory No.	Comments
STR 102	subterranean kiva	380	438+vv	juniper	1791	1		CCC-3676
STR 102	subterranean kiva	580	621+vv	ponderosa pine	954	3	85	CCC-3663
STR 220	earth-walled pit structure	473	533+vv	juniper	624	7	112	CCC-3674
STR 220	earth-walled pit structure	485	553+vv	pinyon	624	8	111	CCC-3675
STR 220	earth-walled pit structure	530+-	607vv	juniper	621	12	16	CCC-3652	Coming apart.
STR 220	earth-walled pit structure	561	623+vv	juniper	1055	16	43	CCC-3654	.
STR 220	earth-walled pit structure	543	625+vv	juniper	1053	8	21	CCC-3656
STR 228	earth-walled pit structure	531	601+vv	juniper	908	14	13	CCC-3653
STR 231	earth-walled pit structure	556	623vv	juniper	906	4	6	CCC-3662
STR 505	earth-walled pit structure	375	463++vv	juniper	1226	2	4	CCC-3677a
STR 508	earth-walled pit structure	480	554+vv	juniper	660	9	22	CCC-3670	All from the same log.
STR 508	earth-walled pit structure	438+-	555vv	juniper	660	7	12	CCC-3679	Same as PL9, 10, 11.
STR 508	earth-walled pit structure	442+-p	556+rL	juniper	660	4	9	CCC-3672	Same as PL10, 12.
STR 508	earth-walled pit structure	456	556++vv	juniper	660	8	20	CCC-3678
STR 508	earth-walled pit structure	468	556+vv	juniper	660	10	23	CCC-3669a
STR 508	earth-walled pit structure	440+-p	575vv	juniper	660	5	10	CCC-3673	Same as PL9, 11, 12.
STR 508	earth-walled pit structure	430+-p	586+vv	juniper	660	4	9	CCC-3671	Same as PL10, 12.
PD = provenience designation; FS = field specimen; PL = point-location number.
Date symbol explanations (from the Laboratory of Tree-Ring Research, Tucson, Arizona): B Bark is present. r Less than a full section is present, but the outermost ring is continuous around the available circumference. v A subjective judgment that, although there is no direct evidence of the true outside on the sample, the date is within a very few years of being a cutting date. vv There is no way of estimating how far the last ring is from the true outside; many rings may be lost. + One or a few rings may be missing near the outside whose presence or absence cannot be determined, because the series does not extend far enough to provide adequate cross dating. ++ A ring count is necessary beyond a certain point in the series because cross dating ceases.