-----
1905-1906 | 0.45 | 0.45 | 0.47 | 0.02
1906-1907 | 0.57 | 0.57 | 0.58 | 0.21
1907-1908 | 0.70 | 0.56 | 0.42 | 0.32
1908-1909 | 0.72 | 0.61 | 0.41 | 0.34
-------------+-----------+----------+---------+--------

=============+===========+==============+==========+=========
| Parking | | |
Month. | (care of | Experimental | Main | Total.
| grounds). | filters. | Office. |
-------------+-----------+--------------+----------+---------
1909.
-------------+-----------+--------------+----------+---------
July | $0.31 | ... | $0.15 | $2.62
August | 0.71 | ... | 0.14 | 2.83
September | 0.51 | ... | 0.17 | 2.98
October | 0.34 | ... | 0.08 | 2.53
November | 0.38 | ... | 0.18 | 2.61
December | 0.40 | ... | 0.12 | 2.38
-------------+-----------+--------------+----------+---------
1910.
-------------+-----------+--------------+----------+---------
January | 0.14 | ... | 0.10 | 2.01
February | 0.11 | ... | 0.16 | 2.37
March | 0.18 | ... | 0.13 | 2.41
April | 0.36 | ... | 0.13 | 2.77
May | 0.55 | ... | 0.18 | 2.70
June | 0.38 | ... | 0.12 | 2.43
-------------+-----------+--------------+----------+----------
Average | 0.36 | ... | 0.14 | 2.56
-------------+-----------+--------------+----------+----------
Fiscal years:
-------------+-----------+--------------+----------+---------
1905-1906 | 0.01 | ... | 0.09 | 1.49
1906-1907 | 0.07 | $0.03 | 0.04 | 2.07
1907-1908 | 0.15 | 0.09 | 0.09 | 2.36
1908-1909 | 0.22 | 0.01 | 0.13 | 2.44
-------------+-----------+--------------+----------+----------

~Table 14~--(_Continued._)
(_B_) ~Materials~.
=============+===========+==========+==================
| Office | | ~Filter~
| and | Pumping | ~operations~:
Month. |laboratory.| station. +------------