Table 1. Comparison of medians across maize by provenience (columns) and potential sources (rows).

	Aztec Soil	Chuska Slope	Lobo Mesa	Northeastern San Juan River	Red Mesa	La Plata	Salmon Ruin	Pre 1140 Maize	Post 1140 Maize	Historic Maize
Chaco Watershed	−0.0003*	0.0002*	−0.0006**	0.0006**	0.0002	0.0004*	−0.0008**	−0.0002	−0.0009**	−0.0012**
Aztec Soil		0.0005**	−0.0003	0.0009**	0.0005*	0.0008*	−0.0005*	0.0001	−0.0006	−0.0009*
Chuska Slope			−0.0008**	0.0003**	0.0001	0.0002	−0.0011**	−0.0004**	−0.0011**	−0.00145**
Lobo Mesa				0.0011**	0.0008*	0.0010*	−0.0003	0.0004	−0.0003	−0.0006
Northwestern San Juan River					−0.0003	−0.0001	−0.0014*	−0.0008**	−0.0014**	−0.0018**
Red Mesa						0.0002	−0.0011*	−0.0004	−0.0011**	−0.0014*
La Plata							−0.0013*	−0.0006*	−0.0013**	−0.0016*
Salmon Ruin								0.0006	0	−0.0003
Pre 1140 Maize									−0.0007	−0.0010
Post 1140 Maize										−0.0003

Significance codes: 0.001 ‘**’ 0.01 ‘*’.

Items in bold indicate that no significant difference between medians was found.