Geology

Volume, Title, and Unique Books data collected on May 31, 2003.
Circulation statistics for the ALC fiscal year ending May 31, 2003.

Volume Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	4		3	1	3	11
1900-1909	3		1	2	3	9
1910-1919	12		17	3	1	33
1920-1929	22		41	8	9	80
1930-1939	32		56	14	4	106
1940-1949	39	2	58	15	13	127
1950-1959	94	5	175	81	37	392
1960-1969	70	35	239	146	27	517
1970-1974	53	15	129	77	16	290
1975-1979	52	29	108	87	14	290
1980-1984	67	18	124	141	7	357
1985-1989	22	21	139	107	9	298
1990-1994	23	51	95	24	23	216
1995	2	10	14	11	1	38
1996	8	12	19	5	3	47
1997	3	11	23	3	1	41
1998	2	10	19	8		39
1999	5	19	14	5	9	52
2000	1	9	12	3	10	35
2001	3	16	10		6	35
2002	10	10	2		7	29
2003		5				5
Totals	527	278	1,298	741	203	3,047
Average Age	1964	1987	1970	1973	1969	1971
Percent of Collection	0.23%	0.13%	0.90%	0.55%	0.29%	0.39%

Title Count and Average Age

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

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899	4		3	1	3	10
1900-1909	3		1	1	3	8
1910-1919	10		15	2	1	24
1920-1929	20		34	7	9	54
1930-1939	26		36	13	3	67
1940-1949	35	2	48	14	11	90
1950-1959	70	4	138	53	15	239
1960-1969	61	31	214	139	23	406
1970-1974	40	14	118	73	16	227
1975-1979	49	27	98	85	14	219
1980-1984	64	15	118	133	7	286
1985-1989	19	19	125	105	9	231
1990-1994	21	44	78	20	23	166
1995	2	7	14	10	1	29
1996	7	10	18	5	2	36
1997	3	10	22	3	1	34
1998	2	7	17	8		32
1999	4	11	14	5	8	32
2000	1	9	12	3	10	28
2001	3	11	10		6	29
2002	10	7	2		7	26
2003		3				3
Totals	454	231	1,135	680	172	2,276
Average Age	1965	1986	1971	1974	1972	1972
Percent of Collection	0.24%	0.15%	0.90%	0.56%	0.27%	0.41%

Unique Books Count and Average Age

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

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899	4		2	1	2
1900-1909	3		1		3
1910-1919	6		11	1
1920-1929	10		16	4	2
1930-1939	17		22	7	1
1940-1949	19		33	5	5
1950-1959	42		103	28	6
1960-1969	32	13	161	89	10
1970-1974	20	10	79	50	10
1975-1979	25	16	53	41	6
1980-1984	34	10	79	92
1985-1989	6	8	82	64	3
1990-1994	12	30	51	10	12
1995	2	3	12	5
1996	3	4	11	3
1997	2	6	15	2
1998	1	1	14	3
1999	1	6	8		1
2000	1	4	8	1	3
2001		6	8		4
2002	4	4	2		6
2003		2
Totals	244	123	771	406	74
Average Age	1962	1987	1971	1974	1971

Total Circulation

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

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	44	5	2	0	0	0	51
APL Items	14	192	16	0	1	0	223
HSU Items	7	34	275	2	0	4	322
McM Items	5	7	12	11	0	0	35
HPU Items	0	0	3	0	0	16	19
Totals	70	238	308	13	1	20	650

Circulation by Item Age

A count of charges and renewals for Geology, 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
1600-1699
1700-1799
1800-1899			2			2
1900-1909				1		1
1910-1919			7			7
1920-1929	1		9			10
1930-1939			12			12
1940-1949			26	1	2	29
1950-1959			38	4		42
1960-1969		9	81	5	2	97
1970-1974		1	40	3	2	46
1975-1979	3	14	29	5	2	53
1980-1984		9	23			32
1985-1989	9	8	17	6		40
1990-1994	23	52	13	9	5	102
1995		13	6			19
1996	2	10				12
1997		22	12			34
1998		13	1	1		15
1999	7	20	4		2	33
2000		13			2	15
2001	3	26	1		2	32
2002	3	8	1			12
2003		5				5
Totals	51	223	322	35	19	650
Percent of Circulation	0.13%	0.04%	1.34%	0.37%	0.44%	0.10%

Non-Circulating Use

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

ACU	APL	HSU	McM	HPU
30	0	105	8	2

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