Chromosome 18

Start Loc	End Loc	cM	SNPs	Type	Branch	Side	Alias
139767	15102421	47.2	3364	Auto	LEONARD	Paternal	D Leonard
18379689	25754626	9.1	1082	Auto			Denise Marie Butler
18618070	78007784	82.2	9317	Auto	LEONARD	Paternal	D Leonard
26028868	34803165	7	1068	Auto			Margaret Treece

A good article about chromosome matches on GedMatch is found here (external site).
Information about Autosomal DNA can be found here (external site).