Until February, 1906, Nebraska was termed the state without a mine, and may still be called the state with but a single mine, and yet it would be impossible to tell how much prospecting has been done, or to estimate the number of thousands of dollars that have been spent in this state trying to develop paying mines from the thin beds of coal discovered throughout various parts of the state in the Carboniferous and Cretadeous formations
This booklet is a review of the coal industry in Iowa during the early part of the 20th century. Top...
21. Coal measures Nearly all of Poweshiek County is covered by loess and drift to such a depth that ...
The coals of commerce acquire names by which they are widely known, and upon which their reputations...
Until February, 1906, Nebraska was termed the state without a mine, and may still be called the st...
ALTHOUGH for years past the state legislature of Nebraska has offered a bounty amounting to four tho...
During 1975, there were active in Nebraska 42 limestone quarries; 596 sand, gravel and silt or silts...
During 1976, there were active in Nebraska 41 limestone quarries; 592 sand, gravel and silt or silts...
The mines surveyed and included in this thesis are certain mines in the foremost and second largest ...
Missouri was the first state west of the Mississippi to produce a commercial output of coal and, alt...
During 1978, there were active in Nebraska 33 limestone quarries; 593 sand, gravel and silt or silts...
Estimates of strippable coal reserves were made for 12 counties in south-central Iowa, for the purpo...
The district at hand is one somewhat remote from any known field of productive Coal Measures, but be...
The use of mineral coal dates back before the Christian Era. The mining of coal, however, is much mo...
Samples of carbonaceous material from several exposures of the Cedar Valley formation have been stud...
About the middle of July, 1907, while engaged by the Nebraska City Commercial Club in examining the ...
This booklet is a review of the coal industry in Iowa during the early part of the 20th century. Top...
21. Coal measures Nearly all of Poweshiek County is covered by loess and drift to such a depth that ...
The coals of commerce acquire names by which they are widely known, and upon which their reputations...
Until February, 1906, Nebraska was termed the state without a mine, and may still be called the st...
ALTHOUGH for years past the state legislature of Nebraska has offered a bounty amounting to four tho...
During 1975, there were active in Nebraska 42 limestone quarries; 596 sand, gravel and silt or silts...
During 1976, there were active in Nebraska 41 limestone quarries; 592 sand, gravel and silt or silts...
The mines surveyed and included in this thesis are certain mines in the foremost and second largest ...
Missouri was the first state west of the Mississippi to produce a commercial output of coal and, alt...
During 1978, there were active in Nebraska 33 limestone quarries; 593 sand, gravel and silt or silts...
Estimates of strippable coal reserves were made for 12 counties in south-central Iowa, for the purpo...
The district at hand is one somewhat remote from any known field of productive Coal Measures, but be...
The use of mineral coal dates back before the Christian Era. The mining of coal, however, is much mo...
Samples of carbonaceous material from several exposures of the Cedar Valley formation have been stud...
About the middle of July, 1907, while engaged by the Nebraska City Commercial Club in examining the ...
This booklet is a review of the coal industry in Iowa during the early part of the 20th century. Top...
21. Coal measures Nearly all of Poweshiek County is covered by loess and drift to such a depth that ...
The coals of commerce acquire names by which they are widely known, and upon which their reputations...