At a minimum, these rules would include requirements that a developer prepare a site plan or a subdivision map.

A subdivision map is a comprehensive map showing the planned use of a particular property in detail.

Carlson and Higgins were not the first to file a subdivision map in Ocean Beach.

In 1911, a subdivision map called Tract 1000 was filed with Los Angeles County.

"He felt that the filing of a subdivision map alone did not constitute a change of use," said Mr. Rybak.

In three cases he knows of, he said, the realtor has had a surveyor draw up a prospective subdivision map showing how four lots could be carved out of a property.

A continuous cellular map called the subdivision map, whose restriction to every open cell is a homeomorphism.

The subdivision map is the doubling map on the torus, wrapping the meridian around itself twice and the longitude around itself twice.

The original subdivision map indicated extremely small building lots by today's standards, but when actual home construction began, larger, more conventional size lots were utilized.

The 1886 subdivision map filed with Los Angeles County showed Palms as bounded on the northeast by what would today be Manning Avenue.