9-ft. core continued |
78-90 in. Interval: gravel over clay. Below the gravel zone is a sharp transition to stiff, homogeneous clay. The is glacial material several thousand years old. |
90-104 in. Interval: gray clay. The clay layer continues with only minor inclusions of other material. It becomes slightly dryer and stiffer with depth in the core. |
100-111 in. Interval: gray clay. Similar clay continues to the bottom of the core. This represents the depth of "refusal" where penetration stopped. |
AScI Corporation |
