Observations on the formation, state and condition of turnpike roads and other highways with suggestions for their permanent improvement on scientific principles by means of the natural materials of which they are composed; to which is added, A practical system (on the like principles) for the construction of sound, substantial roads and under-drains by means of a patent substitute for hard road materials, where such substances are not practically obtainable, by Abraham Henry Chambers

Title:	Observations on the formation, state and condition of turnpike roads and other highways with suggestions for their permanent improvement on scientific principles by means of the natural materials of which they are composed; to which is added, A practical system (on the like principles) for the construction of sound, substantial roads and under-drains by means of a patent substitute for hard road materials, where such substances are not practically obtainable
Author:	Chambers, Abraham Henry
Note:	Printed for the author, 1820

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Subject:	Roads
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