. [Reports]. Vertical Scale Ft. In. 7 Light gray dolomite. Few thin shale seams. Dense hardglistening surface porous. 2 per cent disseminatedgalena and trace of pyrite. Very slightly calcareous,due to calcite in minute cavities. 5 Very porous gray dolomite. 8 per cent galena chiefly in small cavities. 5 per cent pyrite intimately mixed withgalena. Very slightly calcareous, due to calcite inminute cavities. 4 Less porous grayish drab dolomite. Glistening surface. Drusy calcite along seams. 1 per cent galena. Traceof iron pyrites. Slightly calcareous. 6 Finely porous, light gray dolomite.

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. [Reports]. Vertical Scale Ft. In. 7 Light gray dolomite. Few thin shale seams. Dense hardglistening surface porous. 2 per cent disseminatedgalena and trace of pyrite. Very slightly calcareous,due to calcite in minute cavities. 5 Very porous gray dolomite. 8 per cent galena chiefly in small cavities. 5 per cent pyrite intimately mixed withgalena. Very slightly calcareous, due to calcite inminute cavities. 4 Less porous grayish drab dolomite. Glistening surface. Drusy calcite along seams. 1 per cent galena. Traceof iron pyrites. Slightly calcareous. 6 Finely porous, light gray dolomite. Glistening, crystalline and fine grained. Traces of galena. 7 Finely porous, light brownish gray dolomite. Sparkling. Finely Dark gray finely porous. Sparkling. Finely crystalline. 24 Light gray dolomite. Finely porous with cavities up to 1in diameter. Surface of cavities lined with minutecrystals of calcite. Sparkling and crystalline. Somepyrite at 373. Slightly calcareous. 23 i Porous light gray. Fa

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