Disk 1 contains existing ring-width and maximum density data for Engelmann
spruce from the Athabasca site, Alberta, Canada.  File contents are:

RING-WIDTH DATA:
	ATHAGOOD.RW	data which crossdate reasonably well

	ATHA80.RW	essentially a subset of ATHAGOOD.RW, these series were 
			used to produce an earlier chronology

	ATHABAD.RW	dated and undated series which do not crossdate or 
			have poor crossdates

	ATHAMXD.RW	ring-width data which correspond to existing 
			maximum density data

	ATHA91.RW	preliminary ring-width data from 1991 field season - 
			minor dating errors still exist but is approximately 
			correct
 
MAXIMUM DENSITY DATA:
	ATHAGOOD.MXD	data which crossdate reasonably well

	ATHABAD.MXD	dated and undated series which do not crossdate or 
			have poor crossdates

Disk 2 contains output generated by COFECHA which may be useful in assessing
the quality of the existing data.  Files used in running COFECHA are:

DATA TYPE	FILE		MASTER		UNDATED
----------	-------		-----------	----------
RING-WIDTH	RW1.COF		ATHAGOOD.RW	ATHABAD.RW	

RING-WIDTH	RW2.COF		ATHAGOOD.RW	ATHMXD.RW

RING-WIDTH 	RW3.COF		ATHA80.RW	none

RING-WIDTH	RW4.COF		ATHMXD.RW	none

MXD		MXD.COF		ATHAGOOD.MXD	ATHABAD.MXD