Geology

Volume, Title, and Unique Books data collected on May 31, 2004.
Circulation statistics for the ALC fiscal year ending May 31, 2004.

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	1					1
1800-1899	7		3	1	3	14
1900-1909	4		1	2	3	10
1910-1919	12		17	3	1	33
1920-1929	25		41	8	9	83
1930-1939	34		56	14	4	108
1940-1949	39	2	58	15	13	127
1950-1959	100	5	175	81	37	398
1960-1969	74	35	240	146	27	522
1970-1974	53	15	129	77	16	290
1975-1979	55	29	109	87	14	294
1980-1984	68	18	123	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	11	19	8		40
1999	5	19	14	5	10	53
2000	2	9	12	3	10	36
2001	3	16	10		6	35
2002	13	13	7	1	8	42
2003	4	15		1	3	23
2004
Totals	559	292	1,304	743	208	3,106
Average Age	1963	1987	1970	1973	1970	1971
Percent of Collection	0.22%	0.13%	0.89%	0.55%	0.29%	0.37%

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	1					1
1800-1899	7		3	1	3	13
1900-1909	4		1	1	3	9
1910-1919	10		15	2	1	24
1920-1929	23		34	7	9	56
1930-1939	27		36	13	3	68
1940-1949	35	2	48	14	11	90
1950-1959	76	4	138	53	15	245
1960-1969	65	31	215	139	23	408
1970-1974	40	14	118	73	16	227
1975-1979	52	27	99	85	14	222
1980-1984	65	15	117	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	8	17	8		33
1999	4	11	14	5	9	32
2000	2	9	12	3	10	29
2001	3	11	10		6	29
2002	13	10	7	1	8	38
2003	1	9		1	3	13
2004
Totals	482	241	1,141	682	177	2,319
Average Age	1964	1986	1971	1974	1972	1972
Percent of Collection	0.24%	0.15%	0.88%	0.56%	0.28%	0.40%

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	1
1800-1899	7		2	1	2
1900-1909	4		1		3
1910-1919	6		11	1
1920-1929	11		15	4	2
1930-1939	17		22	7	1
1940-1949	19		33	5	5
1950-1959	47		103	28	6
1960-1969	33	13	161	88	10
1970-1974	20	10	79	50	10
1975-1979	25	16	53	41	6
1980-1984	35	10	78	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	2	14	3
1999	1	6	8		1
2000	2	4	8	1	3
2001		5	8		4
2002	5	7	6		5
2003		5			1
2004
Totals	259	129	773	405	74
Average Age	1961	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	41	8	2	0	0	0	51
APL Items	15	305	33	1	1	0	355
HSU Items	2	9	67	1	0	1	80
McM Items	0	15	9	23	0	0	47
HPU Items	0	0	3	0	0	11	14
Totals	58	337	114	25	1	12	547

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
1900-1909
1910-1919
1920-1929
1930-1939				4		4
1940-1949	2	1	1			4
1950-1959			1	4		5
1960-1969	1	19	7	4	1	32
1970-1974	2	6	3	4	1	16
1975-1979		20	1	1	2	24
1980-1984	7	12	4	9		32
1985-1989	7	17	12	10		46
1990-1994	17	58	13	3	4	95
1995		18	4	1		23
1996	2	15	5	2		24
1997		16	6	1		23
1998		18	5	1		24
1999	4	39	3	3	3	52
2000		23	1		2	26
2001	3	43	4		1	51
2002	6	17	10			33
2003		33				33
2004
Totals	51	355	80	47	14	547
Percent of Circulation	0.12%	0.05%	0.34%	0.50%	0.24%	0.07%

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
45	0	132	5	0

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