. The history of Springfield in Massachusetts, for the young; being also in some part the history of other towns and cities in the county of Hampden. e present Wilbraham, Blandford and othertowns where the highlands penned the waters in, the tide roseand fell and the sea fishes, perhaps sharks, could swim fromEast Longmeadow to Holyoke and beyond, so some geologiststhink. Others believe that the Valley sank slowly and wasoccupied at times by shallow lakes. In those times sand andmud were being carried down by the Connecticut river fromthe northern mountains in a way which will be describedfurt
. The history of Springfield in Massachusetts, for the young; being also in some part the history of other towns and cities in the county of Hampden. e present Wilbraham, Blandford and othertowns where the highlands penned the waters in, the tide roseand fell and the sea fishes, perhaps sharks, could swim fromEast Longmeadow to Holyoke and beyond, so some geologiststhink. Others believe that the Valley sank slowly and wasoccupied at times by shallow lakes. In those times sand andmud were being carried down by the Connecticut river fromthe northern mountains in a way which will be describedfurther on, and dropped on the shores of this valley. Many 8 HISTORY OF SPRINGFIELD reptiles and amphibian, large and small, walked on the softsand and mud. In the end this sand hardened and became arock called sandstone, having sometimes imprinted in it thefootsteps of these living beings. Sometimes too, raindropsleft their marks in the sand and the raindrops and tracks haveremained to tell a very old story in after ages. Specimenslike that on this page may be seen in the Science Museum;but the best collection is in the museum of Amherst Footprints and Rainprints in the Triassic SandstoneOF the Connecticut River. It is this ancient sandstone, called by geologists, triassic, whichis taken from the quarries of East Longmeadow. It was while the water extended from the Wilbrahammountains to the Blandford range that a great event happeneda few miles from Springfield, caused by the action of sub-terranean heat. A great crack opened in the earth and uprushed a mass of melted matter which finally cooled into thehardest kind of rock, a rock called trap. After this, for a longtime, more sand and mud were brought down from the moun- NATURAL FEATURES EASTHAMPTQ tains. Again a crack opened in the earth, and another, thinnerlayer of melted rock oozed out over the sandstone. At the endof this outflow, pieces of the trap were thrown out with greatforce and dropped into the mud near by.
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