Results of spirit leveling in Wisconsin : 1897 to 1914, inclusive
1914
86 S., I Taf.
Ill.
Buch
Englisch
Results of spirit leveling in Nevada : 1897 to 1909, inclusive
TIBKAT | 1911
|Spirit leveling in Nevada : 1897 to 1916, inclusive
TIBKAT | 1917
|Spirit leveling in Kentucky : 1914 to 1916, inclusive
TIBKAT | 1918
|