ARBORICULTURE. 



243 



CAVING OF THE LEVEE AT LAWRENCEBURG, INDIANA — BIG FOUR ENGINE IN DANGER 



vey all the water in a narrow space, 

 instead of flowing over a broad, flat bar, 

 there will be no obstacle in the way for 

 larger vessels during any portion of the 

 year. 



Depth of zvatcr in the Ohio River at Cin- 

 cinnati, Ohio, at tiodd lime duiinfi the fast 

 scventy-iive years: 



Year. Date. I'eef. In. 



1832 — February 18 64 3 



1847 — December 17 '. ^3 7 



1866 — September 26 42 6 



1867— :March 14 55 8 



1868— March 30 48 3 



1869 — April 2 48 9 



1870 — January 19 55 3 



1871 — May 13 -^o 6 



i872^Apr!l 13 41 9 



1873 — December 18 44 5 



1874 — January 11 47 1 1 



1875— August 6 55 4 



1876 — January 29 51 9 



1877 — January 20 53 9 



1878 — December 15 41 4 



1879 — December 27 42 9 



]'ear. Date. Feet. In. 



880 — Feliruary 17 53 2 



881 — February ib 50 



882 — February 21 58 



883 — February 15 66 



884 — February 14 71 



885 — January 20 46 



886— April 9 55 9 



887— February 5 56 3 



888— April i 39 n 



889 — Feln-uary 22 38 3 



890— March 25 59 ^ 



891 — February 25 57 4 



S92— April 25 43 8 



893 — Feliruary 20 54 11 



894 — February 15 35 6 



895 — January 14 48 



896— April 4 47 



897 — Feliruary 26 61 



898— March 29 61 



899— March 8 57 



900 — -December i 40 



901 — April 27 59 



902 — March 5 50 



903— March 5 53 



904 — March 9 45 



905 — May 16 48 



