The Victorville City Council postponed a vote on a proposal to expand the City's sphere of influence by up to 32 square miles, according to the minutes of its 5 January meeting. The proposal will now be addressed on 19 January after the Council discusses the proposal with San Bernardino County and the City of Apple Valley. You can read more about the original proposal on this post. A review of the City's proposal suggests the City seeks to maintain some open space within the proposed expansion, although the intent to spur more residential development along more of the Mojave River.
Here is an approximate reflection of the area that could be affected by the expansions of both Victorville and Helendale.
View Victorville-Helendale Expansions in a larger map