NEWPORT AA: Geophysical Observatory Bldg. 12, Newport, WA (Absolute)
NEWPORT CA: Geophysical Observatory Seismic Vault, Newport, WA (Base)
NEWPORT CH: Old Pend Oreille County Courthouse, Newport, WA (Base)
SEATTLE A: Seattle Moore Hall, Seattle, WA (Nat'l. Net\Pendulum)
SEATTLE Q: Johnson Hall, Seattle, WA (Nat'l. Net\Base)
SPOKANE B: Downtown Post Office, Spokane, WA (Nat'l. Net)
SPOKANE J: Spokane International Airport, Spokane, WA (Nat'l. Net)
SPOKANE L: Fairchild Airforce Base, Spokane, WA (Nat'l. Net)
SPOKANE W25: Downtown Post Office, Spokane, WA (Nat'l. Net)
These documents are in Adobe Acrobat portable document format (.pdf) and can be read from your
web browser with version version 3.0 or later of Acrobat Reader. Acrobat Reader for Macintosh, Windows,
or Unix can be downloaded from the link above.