Civil and Hydraulic Engineering

Volume, Title, and Unique Books data collected on May 31, 2008.
Circulation statistics for the ALC fiscal year ending May 31, 2008.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Civil and Hydraulic Engineering. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899	1					1
1900-1909		1	1			2
1910-1919			2		1	3
1920-1929	5			1		6
1930-1939	3					3
1940-1949	17		3	2	1	23
1950-1959	42	2	3	2	2	51
1960-1969	81	7	11	25	3	127
1970-1974	25	3	10	15	2	55
1975-1979	13	5	7	4	2	31
1980-1984	14	3	9	5	5	36
1985-1989	25	5	14	6	8	58
1990-1994	21	6	5	4	7	43
1995-1999	17	13	12	4	2	48
2000-2004	16	11	19		3	49
2005	2	2	1	1		6
2006		4	3			7
2007	5	4	4			13
2008
Totals	287	66	104	69	36	562
Average Age	1972	1989	1983	1973	1980	1977
Percent of Collection	0.10%	0.03%	0.06%	0.05%	0.05%	0.06%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Civil and Hydraulic Engineering. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899	1					1
1900-1909		1	1			2
1910-1919			2		1	2
1920-1929	4			1		5
1930-1939	3					3
1940-1949	15		3	2	1	20
1950-1959	39	2	3	2	2	43
1960-1969	65	7	10	25	3	107
1970-1974	23	3	10	15	2	50
1975-1979	12	4	7	4	2	28
1980-1984	14	3	9	5	5	33
1985-1989	23	5	14	5	8	52
1990-1994	20	6	5	4	7	41
1995-1999	14	13	12	4	2	43
2000-2004	16	10	19		2	47
2005	2	2	1	1		6
2006		4	3			7
2007	3	4	4			11
2008
Totals	254	64	103	68	35	501
Average Age	1972	1989	1983	1973	1980	1977
Percent of Collection	0.11%	0.04%	0.07%	0.05%	0.05%	0.08%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Civil and Hydraulic Engineering. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU
1400-1699
1700-1799
1800-1899
1900-1909		1	1
1910-1919			1
1920-1929	3			1
1930-1939	3
1940-1949	13		2	1
1950-1959	32		1	1	2
1960-1969	56	4	7	23	3
1970-1974	18	3	8	12	1
1975-1979	10	3	7	3	1
1980-1984	13	3	7	2	4
1985-1989	22	4	12	4	7
1990-1994	19	5	5	3	6
1995-1999	11	11	11	4	2
2000-2004	16	9	18		1
2005	2	1	1	1
2006		4	2
2007	1	4	4
2008
Totals	219	52	87	55	27
Average Age	1973	1990	1986	1973	1983

Total Circulation

A count of charges and renewals for Civil and Hydraulic Engineering. This count only includes circulation of bound monographs, CDs, videos, and DVDs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	9	0	0	3	0	3	15
APL Items	0	18	0	0	0	0	18
HSU Items	0	0	3	0	0	0	3
McM Items	0	0	0	3	0	0	3
HPU Items	0	0	0	0	0	0	0
Totals	9	18	3	6	0	3	39

Circulation by Item Age

A count of charges and renewals for Civil and Hydraulic Engineering, broken down by item age and item owner. This count only includes circulation of bound monographs, CDs, videos, and DVDs, and only items which have a valid date in their DATE_1 field.

	ACU	APL	HSU	McM	HPU	ALC
1400-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929				1		1
1930-1939
1940-1949				1		1
1950-1959	1					1
1960-1969	1					1
1970-1974	4	1				5
1975-1979
1980-1984		2	1			3
1985-1989	2	1				3
1990-1994		4		1		5
1995-1999	4	3				7
2000-2004	3	3	1			7
2005		1				1
2006			1			1
2007		3				3
2008
Totals	15	18	3	3	0	39
Percent of Circulation	0.04%	0.00%	0.01%	0.05%	0%	0.01%

Non-Circulating Use

A count of Non-Circulating usage for Civil and Hydraulic Engineering (as recorded by the circulation "Mark Item Used" command). This count only includes bound monographs, CDs, videos, and DVDs.

ACU	APL	HSU	McM	HPU
3	0	0	3	0

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