Information obtained from the Tyson record book, Maryland Historical Society.
From
Township
Date
Period
Cost
Reference
Richard Sidwell
East Nottingham
4/11/1838
7 years
$30 per year plus $4/ton of rock chrome and $1/ton sand chrome
Page 25
W.C. & Samuel Irwin
West Nottingham
7/24/1838
5 years
$1.50 / $3 per ton of sand chrome
Page 26; land purchased
John Wilson
East Nottingham
6/19/1838
10 years
$5 and $1.50 per ton
Page 27
Andrew Lowe
Fulton?
1/25/1839
2 years
$450 and $5 per ton; also termination of land sale agreement and resolution of law suits.
Page 32
William Scott
Pine Grove farm, West Nottingham
6/18/1835
perpetual
$10 per ton mined by John Caton
Page 47; transferred from John Keating to Tyson 7/9/1835 for $700
Chester County Deeds
From
Township
Date
Period
Cost
Reference
Baltimore Chemical Manufacturing Company
West Nottingham
2/17/1833
perpetual
$100. Magnesia minerals on Mount Pleasant
Miscellaneous Deed Book #2-502
William Scott
West Nottingham
7/4/1835
$1000 for all chrome ore worked at Pine Grove Farm. Permission to build house for workmen. Obligation on 3/26/1835 to deliver 200 tons before 4/1/1836 now null and void. Scott to be paid for any chromite already extracted.