A. 
For the purposes of this chapter, the City of Lock Haven, Clinton County, Pennsylvania, is hereby divided into the following zoning districts:
R-1
Single-Family Residential District
R-L
Low-Density Residential District
R-M
Medium-Density Residential District
R-H
High-Density Residential District
CBD
Central Business District
GC
General Commercial District
GC/LI
General Commercial/Light Industrial District
I
Industrial District
IP-A
Industrial Park - Airport
P/I
Public Institutional
B. 
The following zoning overlay districts include and encompass one or more underlying zoning districts. These zoning overlay districts impose additional requirements above that required by the underlying zone:
AO - Airport Overlay
Historic District Overlay
Flood Damage Control Standards Overlay
Except for the Flood Damage Control Standards Overlay, which apply to lands within the jurisdiction of the City of Lock Haven being located within the boundaries of the Floodplain District as set forth in § 410-84 of this chapter, the location and boundaries of above-mentioned zoning districts are hereby established as shown on the Zoning Map of the City of Lock Haven, as amended, which is attached hereto and is hereby made a part of this chapter. Said map, or maps, and all notation, references, and designations shown thereon shall be, as such, a part of this chapter as if the same were all fully described and set forth herein.
Where uncertainty exists regarding the boundaries of the zoning districts as shown on the Zoning Map, the following rules shall apply:
A. 
Boundaries indicated as approximately following the center lines of streets, highways or alleys shall be construed to follow such center lines.
B. 
Boundaries indicated as approximately following platted lot lines shall be construed as following such lot lines.
C. 
Boundaries indicated as approximately following municipality limits shall be construed as following municipality limits.
D. 
Boundaries indicated as following railroad lines shall be construed to be midway between the main tracks.
E. 
Boundaries indicated as approximately following the center lines of streams, rivers or other bodies of water shall be construed to follow such center lines.
F. 
Boundaries indicated as parallel to or extensions of features indicated in Subsections A through E shall be so construed. Distances not specifically indicated on the Zoning Map shall be determined by the scale of the map.
G. 
Where a zoning district boundary or a municipal boundary divides a lot, the minimum lot area shall be regulated by the zoning district or the municipality in which the principal use(s) are located, unless otherwise provided by applicable case law. The land area within each zoning district or municipality shall be regulated by the use regulations and other applicable regulations of each zoning district or municipality.
H. 
Where physical or cultural features existing on the ground are at variance with those shown on the Zoning Map or in circumstances not covered by Subsections A through G, the Zoning Hearing Board shall interpret the district boundaries.
Whenever a use is neither specifically permitted nor prohibited, in any zoning district established under this chapter, and an application is made by a property owner to the Zoning Officer for such use, the use may be permitted in the Industrial Zoning District, but only upon approval of a special exception, in accordance with the provisions in Article XXIII of this chapter, by the Zoning Hearing Board.
For zoning purposes, all areas annexed to the City or which may be discovered to be unzoned due to administrative oversight or a change in City boundaries shall be classified as R-1 Single-Family Residential until such time as this chapter and Zoning Map are officially amended to include the annexed or excluded areas and classify them in accordance with the most recent version of the City of Lock Haven Comprehensive Plan.
Except as provided herein, no building or land shall hereafter be used or occupied and no building or part thereof shall be erected, moved or altered unless in conformance with the regulations specified for the zoning district in which it is located; with the exception of existing nonconformities as of the effective date of this chapter, which may be altered in compliance with Article XXI of this chapter.