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navigatsioon 33 jõed 31 veeteed 31 laevasõiduteed 26 siseveeteed 26 ehitustööd 22 teedeehitus 22 more ...
navigatsioon 33 jõed 31 veeteed 31 laevasõiduteed 26 siseveeteed 26 ehitustööd 22 teedeehitus 22 more ...
1
Published 1907
“...Annual report of the Chief of Engineers United States Army ......”
Serial
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3
Published 1922
“...St. Lawrence waterway : report of the United States and Canadian government engineers...”
Book
4
Published 1922
“...Letter from the Secretary of War transmitting with a letter from the Chief of Engineers report...”
Book
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Published 1924
Book
11
Published 1925
“...Bituminous coal-detailed labor and engineering studies....”
Book
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Published 1927
“...Report of the Joint board of engineers appointed by the governments of the United States and Canada...”
Book
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