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Ground-water data for Michigan, 1978
G.C. Huffman
1979, Open-File Report 80-2
The purpose of this report is to make available the 1978 records of water levels and related data for the principal aquifers of the State. This report is written for municipalities, industries, institutions, consultants, drillers, hydrologists, and other people interested in the ground-water resources of the State....
Ground-water levels in alluvium on the South coast of Puerto Rico, February 1978
Jose R. Diaz
1979, Open-File Report 79-1272
Ground-water levels in the alluvial aquifer of the south coast of Puerto Rico in February 1978 were similar to or slightly higher than those of February 1977. Water levels rose about 2 to 3 meters in the northern section near the foothills in the coastal plain area from Salinas to...
Coal resources of southeastern Massachusetts assessed in 1942
Newton Earl Chute
1979, Open-File Report 79-1140
Large easily mined coal deposits of usable quality would be of great value to Massachusetts, particularly in war time. Every effort has been made in this study to evaluate the probable occurrence, quantity, and quality of the coal deposits in southeastern Massachusetts but unfortunately it is impossible from surface observations...