_id	project_plot_year	project	plot	tree_tag	species	transect	dbh1_mm	dbh2_mm	year1	year2	altitude	plot_area
1	ASHLEY 10 1P 1979	ASHLEY	10 1P	F995	NOTCLI	ASHLEY10 1P	104	109	1981	1987	1220	400
2	ASHLEY 10 1P 1979	ASHLEY	10 1P	F997	NOTCLI	ASHLEY10 1P	55	56	1981	1987	1220	400
3	ASHLEY 10 1P 1979	ASHLEY	10 1P	F972	NOTCLI	ASHLEY10 1P	195	203	1981	1987	1220	400
4	ASHLEY 10 1P 1979	ASHLEY	10 1P	F988	NOTCLI	ASHLEY10 1P	196	206	1979	1987	1220	400