...view, Mr. Winslow continues: The true stratigraphic and structural relations of this formation seem not to have been recognized. It appears generally...interstratified sandstones of the Lower Coal Measures. The peculiar conditions of occurrence of this formation have, however, received no satisfactory explanation...

...far been made :** "The true stratigraphic and structural relations of this formation, however, seem not to have been recognized. It appears generally...satisfactory explanation in print, to the writer's knowledge. t The theory here advanced concerning this deposit is that it is of fluvial or lacustrine origin, that...

...far been made :** "The true stratigraphie and structural relations of this formation, however, seem not to have been recognized. It appears generally...explanation in print, to the writer's knowledge.! The theory here advanced concerning this deposit is that it is of fluvial or lacustrine origin, that...

...far been made :** "The true stratigraphic and structural relations of this formation, however, seem not to have been recognized. It appears generally...received no satisfactory explanation in print, to the writer,s knowledge.! The theory here advanced concerning this deposit is that it is of fluvial or lacustrine...

...stratigraphic and structural relations of this formation, however, seem not to have been recognized. lt appears generally to have been considered of Lower...explanation in print, to the writer's knowledge.! The theory here advanced concerning this deposit is that it is of fluvial or lacustrine origin, that...