The contract itself provided notice of the risks, and the grantee still contracted. 合同本身规定了风险，受让人仍然签约。
The deed expressly reserves the right to remove all of the coal udner the land, and puts the risk of loss of the surface property on the grantee. 契约明确保留了开采所有土地底下煤矿的权利，并把土地表面财产受损风险分给受让人。
