The phrase "a number of maps" is correct and usable in written English.
It can be used when referring to several maps, indicating a quantity that is more than one but not specified.
Example: "For the project, we will need a number of maps to illustrate the different regions we are studying."
Alternatives: "several maps" or "multiple maps".
Israeli troops also took away a computer and a number of maps, Mr. Asfour's brother said.
It has produced a number of maps that with much detail identify slum areas in Mumbai.
"When the package was opened, some newspaper clippings, photographs and a number of maps marked secret tumbled out," he recalled.
At that time there were a number of maps, charts, and books that had already been printed, some of which were copyrighted under state laws and some of which were arguably entitled to perpetual protection under the common law.
The code, as well as a number of maps for the game environment, will be up on GitHub in the next few days.
A number of maps, encyclopedias, and other publications have switched to using both names.
The company also has hired a number of mapping software engineers in recent months, according to two people familiar with Uber's hiring efforts.
Very large-scale maps for example, for road construction and other engineering works—are produced under contract by a number of mapping companies.
The Harvard Map Collection offers Harvard affiliates support for and access to a number of mapping and geographic information systems tools, as well as cartographic design support.
(A disclosure: Carnegie Mellon's Community Robotics, Education, and Technology Empowerment Lab, which I direct, has partnered with Google on a number of mapping projects that utilize our GigaPan technology).
Guardian Australia has spoken to a number of mapping and law-of-the-sea experts who have all said the red line on the map represents Indonesia's baseline.
