Magruder House, Locust Grove, 1983-1984, 1-1-21

Magruder Lane, Old Farm, Old Gate Road, Storm drain plan, 1962, 4-2-12

Maid's Fancy, Montgomery County-Prince Georges County Boundary Line, Deed plotting, (Thomas C. Prather's 100 acres), Frederick (now Montgomery) County, 1963, 6-1-10

Manning Drive, Bradley Hills, Map and frontage table, 1951,

1-3-12

Manor Club Estates, Assessment map, 1951, 1-3-19

Manor Woods, Paving and drainage plan, drainage profiles, 1964, 5-1-2

Mansfield Plans and profiles, Section 5, Sligo Park Hills, 1953, 1-6-4

Maple and Wisconsin Avenues, Bethesda, Plan, 1949, 3-2-24

Maple Avenue, Alta Vista, Page Hill Subdivision, 1951, 1-5-12

Mapleridge Road, 1953, 1-6-1

Maple Street, Hollywood Park, Colesville District, 1965, 4-5-10

Maplewood, Acacia Avenue, Assessment map, 1952, 1-4-12

Marcliff Road, Danville Drive, Tilden Lane to Paxton Road, 1967, 5-2-4

Marcliff Road, Tilden Woods, Paving and storm drains, 1966, 5-2-4

Marden Lane, n.d., 3-1-15

Marquette Drive, Ashburton, Ashburton Lane to Belhaven Road, Sidewalk, n.d., 3-5-7

Martin Avenue, Arcola, Grade establishment, n.d., 1-9-10

Martin Avenue, Hermitage Avenue and Nairn Road, Paving and storm drains, 1958, 1959, 3-3-21

Martin's Addition, c. 1983, 2-4-17

Maryland Cast Stone Company, Inc., Burgundy Park, Lot 7, Plant and offices, Plat, 1968, 5-2-6

Maryland Environmental Service Load Containment Project, Montgomery County Site 216, Phase II Ex., 1976 revised,

4-1-29

Maryland-Washington Regional District, General plan, 1957, 7-1-32

Maryland-Washington Regional District, Land use, 1956, 7-1-31

Maryland-Washington Regional District, Schools, parks, recreation, master plan, 1956, 6-3-19

Marymont Proposed assessment, Allanwood Subdivision, Homewood, Graph, 1951, 1-6-3

Marymont Road, Merrifields Drive, Plan and profile, 1966, 5-2-12

Mason Street, Glenmont Forest Subdivision, Sidewalk and assessment plans, 1958-1960, 1-9-6

Massachusetts Avenue Highlands, Housing, 1981-1982, 2-1-19

Massachusetts Avenue Highlands: River Road, Persimmon Tree Road, and Sotwood Drive, Plat of street dedication, Blocks A and B and part of Block C, 1969, 1970, 1-5-20

Master plan of highways, Selected transportation elements, Draft, 1974, 1-10-21

Matey Road, Glenmont Hills, Sidewalk and assessment plans, 1957, 1-10-3

Matey Road, Sidewalk and assessment plans, 1953-1957, 1-1-14

Maybrook Avenue, Oakland Terrace, Assessment plan, n.d., 1-6-15

McComas Avenue Extended, Grade approval, 1963, 3-3-7

McDonald Knolls, n.d., 3-4-14

McDonald Knolls, Sligo Park Knolls, Proctor Street, Assessment plans, n.d., 1-7-10

McKenny Avenue, Sidewalk and assessment plans, 1954-1957, 1-1-10

McNeil Lane, Plat, paving plan, assessment plan, final assessment, 1956, 1962, 1-5-17

McNeill Addition, Silver Spring Park, Plat, 1957, 1-9-2

Meadowbrook Drive, Springbrook Estates, Grade establishment, 1960, 4-3-5

Meadowbrook Village, Chelton Road, East West Highway to Sleaford Road, Plan and profile, 1962, 4-3-1

Medical and pathological waste incinerator, project schedule, preliminary PERT chart, 1973, 5-2-28

Medley District, Dawsonville, Beallsville, 1878, 7-1-13

Medway Street, Connecticut Avenue Estates, Construction and assessment plans and maps, 1951, 1-3-10

Medway Street, Sidewalk plans, 1958, 1-10-4

Melody Lane, Bradley Hills Grove and Bradley Park, Kenfield Court to Meadowlark Lane, Plan and profile, 1968, 5-4-3

Melvern Drive, Hendry Estates, Assessment plans, 1958, 1-9-8

Melvern Road, Table and map, n.d., 1-6-12

Merrifields Drive, Assessment plan, 1959, 1-10-8

Merrifields Drive, Gayfields Subdivision, Assessment plan, 1962,

3-5-19

Merrifields Drive, Marymont Road, Plan and profile, 1966, 5-2-12

Metro design and construction schedule, 1976, 5-2-17

Metropolitan Grove Road, Temporary lot for storage of abandoned automobiles, 1973, 6-2-3

Metropolitan Grove, "Younger Brother" tract, Gaithersburg district, plat, 1973, 5-2-27

Metropolitan Properties Company, Bethesda, Building location, 1959, 3-2-25

Metropolitan Southern Railroad through Miller property, 1956,

1-8-10

Metro service, 1976-1978, 2-3-1

Metro station, Glenmont Storage Yard, right-of-way index plan, c. 1989, 2-3-25

Metro station, Grosvenor Metro Station and Beltway crossing, Alternate proposals, 1972, 3-1-18

Metro station, Rockville Route Extension, Shady Grove Service and Extension Yard, WMATA, 1975, 5-5-11

Metro Station, Shady Grove Service and Extension Yard, Rockville Route Extension, WMATA, 1975 5-5-11

Metro Station, Takoma Park, 1974, 3-1-19

Middlebrook Road, Gaithersburg District, 1956-1957, 1-6-33

Middlebrook Road, Gaithersburg District, Dedication plat, 1958, 3-2-11

"Middle Plantation," River Road, Darnestown District, 1949,

1-5-18

Middleton Lane, Bethesda, East, IPDS, Proposed improvement plan, n.d., 4-2-25

Miller Avenue, Bethesda, 1951, 1-5-15

Miller Property, Metropolitan Southern Railroad through, 1956,

1-8-10

Moffet Road, Assessment plan, n.d., 1-6-23

Mohican Road, Assessment map, n.d., 1-4-9

Mohican Road, Dahlonega Road, n.d., 3-2-14

Montgomery and Howard Counties, Geologic map, n.d., 7-1-4

Montgomery and Prince George's Counties, Existing land use and zoning, 1961, 6-4-20

Montgomery and Prince George's Counties, General plan, 1964,

6-4-20

Montgomery and Prince George's Counties, General plan, 1969,

6-4-20

Montgomery and Prince George's Counties, Master plan of parks and recreation areas, 1961, 6-3-21

Montgomery Avenue, Highland Park, Plat and construction plan, 1956, 1-5-10

Montgomery Avenue, Wisconsin Avenue, Test boring diagram, 1960, 3-2-18

Montgomery County, 1861, 7-1-22

Montgomery County, 1862, 7-1-23

Montgomery County, 1949, 5-5-2

Montgomery County, 1967, 2-2-20

Montgomery County, 1968, 5-3-14

Montgomery County, 1988, 2-2-25

Montgomery County, Advanced wastewater treatment project, n.d., 3-1-7

Montgomery County Airpark, Gaithersburg, Airport layout plan, 1969, 4-1-19

Montgomery County Airpark, Gaithersburg, Phasing and cost plan, 1969, 4-1-24

Montgomery County Airpark, Gaithersburg, Precision runway plan, 1969, 4-1-20

Montgomery County Airport, Gaithersburg, Approach and clear zone plan, vicinity and existing features, n.d., 4-1-22

Montgomery County Airport, Gaithersburg, Airport and vicinity, land use plan, 1969, 4-1-23

Montgomery County Airport, Gaithersburg, (topographic and obstructions) n.d., 4-1-21

Montgomery County and District of Columbia, topography and election districts, 1910, 7-1-6

Montgomery County and District of Columbia, topography and election districts, 1941, 7-1-5

Montgomery County and District of Columbia, topography and election districts, 1950, revised 1951, 7-1-7, 7-1-10

Montgomery County and District of Columbia, topography and election districts, 1950, revised 1961, 7-1-8

Montgomery County, Average land values, n.d., 1-10-24

Montgomery County, Bethesda, Silver Spring, Rockville, Gaithersburg and Germantown, Route 29 corridor, c. 1986- 1987, 2-4-16

Montgomery County,Bikeway plans (short range), street map, 1975, 6-4-12

Montgomery County, Circumferential freeway, n.d., 6-3-15

Montgomery County, Comprehensive sewerage systems plan, 1986 annual update, 1986, 1-5-5

Montgomery County, Comprehensive staging plan: Proposed road improvements and sewerage category changes, 1979, 4-2-28

Montgomery County, Comprehensive staging plan: Proposed road improvements and sewerage category changes, revised, 1979, 4-1-16

Montgomery County, Councilmanic districts, 1986, 3-1-20

Montgomery County, Critical areas, recommended areas of critical State concern, 1977-1979, 2-3-3

Montgomery County, District of Columbia, topography, election districts, sites with industrial potential (upper county), 1950, 1957, 7-1-30

Montgomery County, Eastern; Street and highway plan and zoning plan, 1981, 4-1-26

Montgomery County, Election districts, 1943, 5-3-25

Montgomery County, Election districts, 1986, 3-1-20

Montgomery County, Existing land use, 1968, 4-1-18

Montgomery County, Existing zoning, 1969, 4-1-25

Montgomery County, Flood boundary and floodway map, 1983, 2-4-18

Montgomery County, Functional master plan for the preservation of agricultural and rural open space, 1980, 2-2-17

Montgomery County, Functional master plan for the preservation of agriculture and rural open space in Montgomery County, land use plan, zoning and highway plan, c. 1980, 6-4-23

Montgomery County, Garage 49, Joint Development and Feasibility Study, c. 1983, 4-3-20

Montgomery County, General plan, 1969, 2-3-11

Montgomery County, Guide to Services and County Map, 1988, 4-3-17

Montgomery County, Health Survey, 1937, 2-4-19

Montgomery County, Historic, n.d., 7-1-9

Montgomery County, Historic preservation, preliminary master plan, 1979, 2-3-16

Montgomery County, Improvements and sewerage category changes, (proposed), 1979, 4-1-16

Montgomery County, Index to 200 scale based maps, 1973, 2-2-18

Montgomery County, Landfill site No. 2, Dickerson, planametric and topographic map, soils map, wetlands, 1990, 5-2-20

Montgomery County, Landfill site No. 2, Dickerson, wetlands delineation (field located), existing topography, site location, 1990, 5-2-22

Montgomery County, Land use, 1954, 1-10-25, 2-4-2

Montgomery County, Land use and population densities, 1954,

1-10-23

Montgomery County, Land use plan, 1980, 2-2-17

Montgomery County, Landfill site (Dickerson), exploration location data, bedrock map, 1991 5-2-23

Montgomery County, Legislative and congressional districts, 1986, 3-1-21

Montgomery County, Legislative districts, 1986, 3-1-20

Montgomery County, Maryland Environmental Service Load Containment Project, Site 216, Phase II Ex., 1976 revised, 4-1-29

Montgomery County, MNCPPC Park Acquisition Program 1970-1971,

5-4-22

Montgomery County, Maryland-Washington regional district, schools - parks - recreation, master plan, 1956, 7-1-33

Montgomery County, Maryland-Washington regional district in Montgomery and Prince George's Counties, 1967, 4-1-17

Montgomery County, Master Plan Development Process, n.d., 2-1-24

Montgomery County, Master Plan of Parks and Recreation Areas, 1961, 6-3-21

Montgomery County, Preliminary master plan of highways for the Maryland-Washington Regional District in Montgomery and Prince George's Counties, Maryland, 1967, 4-1-17

Montgomery County, Proposed extensions to sewer system with drainage areas, 1959, 4-2-29

Montgomery County, Proposed landfill site, Dickerson, areas for soil mass balance, 1991, 5-2-21

Montgomery County, Proposed landfill site, Dickerson, conceptual design, location map, facility locations, existing conditions, base grading plan, leachate collection system, final grading plan, landfill sections, details, 1991, 5-3-20

Montgomery County, Proposed landfill site, Dickerson, isopachous map, highest observed or predicted groundwater map, elevated groundwater map, depressed groundwater contour map, 1991,

5-3-22

Montgomery County, Proposed landfill site Dickerson, seismic profiles, seismic profile locations, 1991, 5-2-25

Montgomery County, Proposed landfill site (Dickerson), subsurface profiles, subsurface profile locations, bedrock contours, 1991, 5-2-24

Montgomery County, Proposed landfill site (Dickerson), subsurface profiles, subsurface profile locations, bedrock contours, 1991, 5-2-24

Montgomery County, Proposed road improvements and sewerage category changes, comprehensive staging plan, 1979, 1-10-22

Montgomery County, Proposed sanitary landfill conceptual design, Dickerson, location map, existing site conditions, base grading plan, leachate collection system, final grade plan, landfill sections, details, 1991, 6-4-24

Montgomery County, Proposed sanitary landfill, base grading plan, ash fill isopach, leachate collection system, summary of global slope stability analysis at stations 20+00, 68+00, final grading plan, landfill sections, loading area and settlement point location plan, details, settlement profiles, estimated long term settlement contours cases I, II, III, phasing plan, existing drainage information, borrow area plan, proposed conditions, Dickerson, 1994, 6-4-25

Montgomery County, Recommended areas of critical state concern, 1976, 6-4-21

Montgomery County, Recommended landfill sites, n.d., 3-1-8

Montgomery County, Redistricting plan for councilmanic districts, 1981, 2-5-11

Montgomery County Resource Recovery Facility, Dickerson, facility site drawing, utility easement plan, 1988, 6-5-2

Montgomery County, Rural Delivery Service, after 1905, 7-1-28

Montgomery County, Soil survey, 1990, 1-6-34

Montgomery County, Solid waste management work plan, network diagram, 1972, 4-4-16

Montgomery County, Southwest, 1861, 7-1-35, 7-1-36

Montgomery County, Southwest along the Potomac, n.d., 7-1-25

Montgomery County, Street map, short range bikeway plans, 1975, 6-4-12

Montgomery County, Subdivisions and apartment locations, c. 1972, 5-3-18

Montgomery County, Summary of zoning regulations, 1951 (2 sheets), 5-3-23

Montgomery County, Ten year sewerage plan, 1976, 2-5-1

Montgomery County, Ten year sewerage plan, Sewer service categories, 1972, 2-5-2

Montgomery County, Ten year water and sewerage plan, FYs 1973- 1982: water delivery system, water service categories, sewer service categories, waste water collection system, 1974,

4-4-17

Montgomery County, Ten year water plan and ten year sewerage plan, 1975-1984, 2-5-4

Montgomery County, Topography and election districts, 1910,

7-1-26

Montgomery County, Traffic volume maps, 1977, 5-2-16

Montgomery County, Upper, 1991, 5-4-28

Montgomery County, Water resources, n.d., 2-3-24

Montgomery County, Water system five year program, WSSC, 1958- 1962, 4-2-27

Montgomery County, Zoning, 1974, 2-3-7

Montgomery County, Zoning plan, 1980, 2-2-17

Montgomery County-Prince Georges County Boundary Line, 1923,

6-1-9

Montgomery County-Prince Georges County Boundary Line, City of Takoma Park, 1949, 1953, 6-1-10

Montgomery County-Prince Georges County Boundary Line, D.C. Line to Mount Pisgah Church Road, 1961, 6-1-9, 6-1-10

Montgomery County-Prince Georges County Boundary Line, Deed plotting, Maid's Fancy (Thomas C. Prather's 100 acres), Seth's Folly, Frederick (now Montgomery) County, 1963,

6-1-10

Montgomery County-Prince Georges County Boundary Line, Re-survey and establishment, 1963, 6-1-9

Montgomery County-Prince Georges County Boundary Line, Tax map, re-survey, n.d., 6-1-10

Montgomery County-Prince Georges County MNCPPC Park Acquisition Program, 1970-1971, 5-4-22

Montgomery County-Prince Georges County, Maryland - Washington Regional District, suggested program for highway development, 1952-1962, 7-1-34

Montgomery General Hospital, Preliminary studies, 1966, 5-3-7

Montgomery Highland Estates, Newport Mill Road, 1953, 1-6-26

Montgomery Hills Center, Education study, n.d., 6-2-9

Montgomery Lane, East Lane, Paving plan, retaining wall, slab layouts, 1955, 1-8-9

Montgomery Lane, Final assessment, 1956, 1-8-8

Montgomery Square, Chilham Place, Sidewalk plan, 1970, 5-4-6

Montgomery Street, Section 1-A, Chevy Chase, Plan and profile, 1949, 1-2-23

Montgomery Village, Gaithersburg, 1981, 2-2-21

Montgomery Village, Gaithersburg, Town sector plan, 1981, 2-2-22

Montgomery Village, Gaithersburg, Town sector plan, land use and circulation, n.d., 3-1-3

Montgomery Village Avenue, 1200'+/- west of Route 355, 1968,

5-3-8

Monticello Avenue, Kemp Mill Estates, Sidewalk, Kersey Road to Kemp Mill Road, 1967, 6-3-1

Monticello Avenue, Kemp Mill Estates, Sidewalk plan, 1975, 6-3-1

Montrose Road, Drainage structures and paving plan at Stations 96+50, 110+95, n.d., 1-6-6

Montrose Road, Plans and plats, 1957-1960, 1-2-14

Montrose Road, Widening, Seven Locks Road to I-270, 1978, 5-5-15

Montrose Road, Widening, Washington National Pike (70S) to Rockville Pike (355), Typical sections of improvement, drainage plan, plan and profile, drainage pipe profile, structure details, structures and pipes schedules, 1970,

5-5-7

Montrose Road and Seven Locks Road, Rockville District, Storm drain plan and profiles, paving plan and profile, right-of- way areas, 1958-1961, 3-2-3

Montrose Road to Washington National Pike, Paving plan, 1957,

3-2-3

Mountain View Estates, Darnestown District, Lots 8 through 10 and 25, Block C, 1986, 5-4-15

Mountain View Estates, Darnestown District, Norman Drive, Grade establishment, 1964, 5-4-15

Mountain View Estates, Darnestown District, Preliminary plan, paving and storm drain plan, 1964, 1968, 5-4-15

Mount Pisgah Church Road, Montgomery County-Prince Georges County Boundary Line, to D.C. Line, 1961, 6-1-9, 6-1-10

Mount Vernon Avenue, Damascus, Plan and profile, assessment plan, 1958, 1962, 1-10-1

Muddy Branch, Sewer service area charges, 1973, 2-5-3

Muddy Branch Road, County highway, Western arterial to relocated MD Route 28, Plan and profile, 1974, 2-4-14

Muddy Branch Road, Water service area charges, 1973, 2-5-3

Muncaster Mill Road, Emory Grove Renewal Project, 1968, 1-3-2

Muncaster Mill Road, Shady Grove Road, Gaitherburg, Maryland Route 355 to Route 115, Relocation, 1969-1975, 5-5-10

Myer Terrace, Sidewalk plan, 1969, 5-2-8