Results of spirit leveling in Nebraska : 1896 to 1913, inclusive
1914
57 S., I Taf.
Ill.
Buch
Englisch
Results of spirit leveling in Maryland : 1896 to 1911, inclusive
TIBKAT | 1914
|Results of spirit leveling in Idaho : 1896 to 1909, inclusive
TIBKAT | 1911
|Results of spirit leveling in Kentucky : 1898 to 1913, inclusive
TIBKAT | 1914
|Results of spirit leveling in Missouri : 1896 to 1909, inclusive
TIBKAT | 1911
|