The 911 emergency number system, a Maryland perspective
By: Maryland General Assembly, Department of Fiscal Services, Division of Fiscal Research.
Publisher: The Division
Published: 1989
Place of publication: Annapolis, Md. (90 State Circle, Rm. 226, Annapolis 21401-1991)
Language: eng
Number of pages: 21
Subjects: Telephone -- Maryland -- Emergency reporting systems.; Telephone -- Emergency reporting systems -- Government policy -- Maryland.
Other titles: Nine one one emergency number system.
Notes: Cover title.
"November 1989."