|
Article
1550
|
Technical Report
593
|
Proceedings Paper
226
|
|
Open-File Report
92
|
博士
73
|
硕士
64
|
|
Article;Proceedings Paper
32
|
Early Access
24
|
Water-Resources Investigations Report
24
|
|
Standard Grant
22
|
Review
15
|
IMAP
14
|
|
Scientific Investigations Report
14
|
Water Supply Paper
13
|
Scientific Investigations Map
12
|
|
Miscellaneous Field Studies Map
10
|
Continuing Grant
8
|
Professional Paper
8
|
|
Data Series
7
|
Meeting Abstract
7
|
