...indication of bedding, and because of its hardness projects in a steep bench overhanging the less chalky beds below. Analysis No. 6 shows that this chalk contains nearly twice as much silica as the chalk above. This bed occurs in the bench beneath the quarry and passes to the...

...indication of bedding, and because of its hardness projects in a steep bench overhanging the less chalky beds below. Analysis No. 6 shows that this chalk contains nearly twice as much silica as the chalk above. This l>ed occurs in, the bench beneath the quarry and passes to...

...indication of bedding, and because of its hardness projects in a steep bench overhanging the less chalky beds below. Analysis No. 6 shows that this chalk contains nearly twice as much silica as the chalk above. This bed occurs in the bench beneath the quarry and passes to the...

...indication of bedding, and because of its hardness projects in a steep bench overhanging the less chalky beds below. Analysis No. 6 shows that this chalk contains nearly twice as much silica as the chalk above. This bed occurs in the tench beneath the quarry and passes to the...

...Survey 22d Ann Rent., lit. ."., 1902, pp. 687-742. 1Taff, JH, Work cited. 2. Massive, dull bluish white, siliceous chalk, slightly harder than the pure chalk...indication of bedding and because of its hardness projects in a steep bench overhanging the less chalky and friable beds below 35 feet 3. Massive, very...

...separated by thin partitions of very slightly laminated chalk * * * 60 feet 2. "Massive, dull bluish, white siliceous chalk, slightly harder than the pure chalk...indication of bedding, and because of its hardness projects in a steep bench overhanging the less chalky and friable beds below * * * 35 feet 3. "Massive,...

...separated by thin partitions of very slightly laminated chalk * * * 60 feet 2. "Massive, dull bluish, white siliceous chalk, slightly harder than the pure chalk...1. This chalk is practically without indication of bed ding, and because of its hardness projects in a steep bench overhanging the less chalky and friable...

...pure chalk of 1. This chalk is practically without indication of bedding, and because of its hardness projects in a steep bench overhanging the less chalky and friable beds below * * * 35 feet 3. "Massive, very siliceous, dull blue argillaceous chalk marl * * * 8 feet 4. "Bluish...