| | Date | Plat | Description | Links | MSA Citation |
| Details | | Land Records R, p. 64 | Mill Seat, Revision | | C2354-1 |
| Details | 1865-1866 | Land Records 23, p. 514 | Armstrongs Farm; Part of tract Stewarts Delight | | C2354-2 |
| Details | 1866-1867 | Land Records 25, p. 627 | Oilstone Hill, Addition; Deed from Lepley to Samuel Kennell | | C2354-3 |
| Details | 1870-1871 | Land Records 32, p. 638 | Anderson Farm, 300 Acres, CC and I Company and Consol Company (1870) | | C2354-4 |
| Details | 1900-1901 | Land Records 88, p. 6 | Allegany and Garrett Counties, boundary line | | C2354-5 |
| Details | | Judgment Record 1, p. 173 | Allegany Vineyard, Number 154 Chancery, Wilson vs. Burgess | | C2354-6 |
| Details | | Judgment Record P, p. 362 | Ash Bottom, October Term 1834 Equity, Benjamin Dawson Estate | | C2354-7 |
| Details | | Judgment Record R, p. 311 | Amendment, Ejectment, Allegany County Trials 1840 | | C2354-8 |
| Details | | Judgment Record R, p. 311 | Addition, George Deneen vs. Theodore Beall | | C2354-9 |
| Details | | Judgment Record S, p. 525 | Arundel Resurveyed, Ejectment, Johnson vs. Hauser 1843 | | C2354-10 |
| Details | | Judgment Record 4, p. 19 | Ayers, Samuel, Estate of, land divided among heirs | | C2354-11 |
| Details | | Judgment Record 4, p. 302 | Ayers, Samuel, Estate of, 5 part division of lands, Detmold vs. George, CC and I Company | | C2354-12 |
| Details | | Judgment Record 11, p. 587 | Amicably Adjusted, Hinkle vs. Gephart, 1408 Equity | | C2354-13 |
| Details | | Judgment Record 13, p. 717 | Allegany Republican, Estate of James Smith, 1564 Equity | | C2354-14 |
| Details | | Judgment Record 25, p. 664 | Abrahams Habitation, Stallings vs. Stallings, 826 Equity | | C2354-15 |
| Details | | Judgment Record 17, p. 209 | Amendment, Getty vs. Koontz, 1934 Equity | | C2354-16 |
| Details | 1905-1906 | Land Records 99, p. 136 | Allegany County Improvement Company, Deed to Jason Clark | | C2354-17 |
| Details | | Plat Book 1, pp. 40-41 | Allegany County Improvement Company, Deed to Jason Clark | | C2354-18 |
| Details | 1905-1906 | Land Records 99, p. 405 | Allegany County Improvement Company, National Highway Addition | | C2354-19 |
| Details | 1906-1907 | Land Records 100, p. 669 | Allegany and Garrett Counties, Boundary Lines Resurvey | | C2354-20 |
| Details | 1909-1910 | Land Records 105, p. 445 | Athey, Jason A., Deed to Anna M. George | | C2354-21 |
| Details | 1917 | Land Records 122, p. 727 | Allegany Grove Camp Meeting Association | | C2354-22 |
| Details | | Plat Book 1, pp. 40-41 | Allegany Grove Camp Meeting Association | | C2354-23 |
| Details | 1912-1913 | Land Records 111, p. 733 | Allegany County Improvement Company, Addition to Cumberland, MD (Lavale) | | C2354-24 |
| Details | | Box 55 | Allendale Addition, Lavale Section | | C2354-25 |
| Details | | Box 97 | Amcelle Acres, Lazarus Realty Company | | C2354-26 |
| Details | | Box 97 | Amcelle Acres, Second Addition, Developed by Tobias Lazarus | | C2354-27 |
| Details | | Box 104 | Allegany County Election Districts | | C2354-28 |
| Details | | Box 104 | Allegany County Election Districts, Number 23 and Precincts | | C2354-29 |
| Details | | Box 104 | Allegany County Election Districts, Number 4 and Precincts | | C2354-30 |
| Details | | Box 104 | Allegany County Election Districts, Numbers 26, 28 and Precincts | | C2354-31 |
| Details | | Box 104 | Allegany County Election Districts, Number 22 and Precincts | | C2354-32 |
| Details | | Box 104 | Allegany County Election Districts, Numbers 5, 14 and Precincts | | C2354-33 |
| Details | | Box 104 | Allegany County Election Districts, Number 6 and Precincts | | C2354-34 |
| Details | | Box 108 | Annon Knolls, Copied in Plat Records 98-99 | | C2354-35 |
| Details | 1930 | Box 113 | Amcelle Acres, First and Second Additions, Amended 1929 | | C2354-36 |
| Details | 1930 | Plat Book 1, pp. 91-92, 118 | Amcelle Acres, First and Second Additions, Amended 1929 | | C2354-37 |
| Details | | Box 126 | Allegany County, Topography | | C2354-38 |
| Details | | Box 143 | American Cellulose Chemical Manufacturing Company, Limited, Factory Site | | C2354-39 |
| Details | 1940 | Box 53 | Allegany Grove Camp Ground, Amended Plat | | C2354-40 |
| Details | | Box 153 | Auxiliary Water Line, Lake Gordon to Cumberland | | C2354-41 |
| Details | 1948 | Box 149 | Armstrong, John M. and Clement Armstrong | | C2354-42 |
| Details | | Plat Book 1, p. 13 | Albright, Clifford O., First, Second and Third Additions, Amended to Ellerslie, MD | | C2354-43 |
| Details | 1952 | Plat Book 1, p. 96 | Annandale | | C2354-44 |
| Details | | Plat Book 1, pp. 98-99 | Annan Knolls | | C2354-45 |
| Details | 1962 | Box 121 | Amcelle Acres, First and Second Additions Amended | | C2354-46 |
| Details | 1963 | Box 177 | Albrights Fourth Addition to Ellerslie | | C2354-47 |
| Details | 1966 | Box 150 | Allegany County Sanitary District, Inc., Potomac Edison Company, Right of Way | | C2354-48 |
| Details | 1967 | Box 121 | Amcelle Acres, First Addition Amended | | C2354-49 |
| Details | 1950 | Plat Book 1, pp. 84-85 | Allegany Realty and Development Company, Homewood Addition | | C2354-50 |
| Details | 1970 | Plat Book 1, p. 302 | Amcelle Acres, Section 2A, Second Addition, Revision | | C2354-51 |
| Details | 1970 | Plat Book 1, p. 303 | Amcelle Acres, Section 2B, Second Addition, Revision | | C2354-52 |
| Details | 1972 | Plat Book 1, p. 314 | Amcelle Acres, Section 3A, Second Addition, Revision | | C2354-53 |
| Details | 1972 | Plat Book 1, p. 315 | Glen Oaks First Addition, Election District 7 | | C2354-54 |
| Details | 1973 | Plat Book 1, p. 325 | Amcelle Acres, Section 4, Second Addition, Revised | | C2354-55 |
| Details | 1974 | Box 177 | Allman, Richard J. and Carole L. Allman, Mason and Rocky Gap Roads, Election District 21 | | C2354-56 |
| Details | 1975 | Box 129 | Allegany County Commissioners to Maryland Department of Health and Mental Hygiene, Election District 22 | | C2354-57 |
| Details | 1976 | Box 180 | Allegany County Commissioners, N. Branch and PPG Industries, Inc., Election District 16, Liber 486, folio 898 | | C2354-58 |
| Details | 1976 | Box 141 | Annan Knolls, now known as Garden City East, Property of H. O. Annan Real Estate Company, Election District 29, Equity 32747 | | C2354-59 |
| Details | 1977 | Box 149; Land Records 493, p. 901 | Anderson, Alfred F. III, and Betty Jane Anderson from Dorothy E. Yoder, Maple Lane, Pinto, MD | | C2354-60 |
| Details | | Box 189; Land Records 494, p. 172 | Anderson, Richard A. and Stella C. Larsen, Flintstone, Election District 3 | | C2354-61 |
| Details | 1977 | Box 47; Land Records 496, p. 204 | Abucevicz, George, Jr., Jackie E. Skidmore and Virginia Skidmore, Mount Savage, Slabtown Road, Election District 13 | | C2354-62 |
| Details | 1977 | Box 122; Land Records 497, p. 44 | Allegany County Industrial Foundation, Inc., Cumberland, Roberts Place, Bowling Green, Election District 6, Amended Plat | | C2354-63 |
| Details | 1977 | Box 113; Land Records 498, pp. 69 and 87 | Armstrong, Clement R., 9.2 Acres near Rawlings to Charles William Armstrong and Emma Lee Armstrong, Election District 7 | | C2354-64 |
| Details | 1978 | Box 113; Land Records 499, p. 244 | Ash, Mildred L., Resurvey of part of Ernest Mullenax Property, Village of Gilpintown, Election District 3 | | C2354-65 |
| Details | 1978 | Box 174; Land Records 504, pp. 468 and 480 | Allegany Ballistics Laboratory, Pinto, Allegany County, Maryland and West Virginia Mineral Company, Theodore Clayton to United States of America, Map showing Survey of Restrictive Easements | | C2354-66 |
| Details | 1978 | Box 174; Land Records 504, p. 472 | Allegany Ballistics Laboratory, Pinto, Allegany County, Maryland and West Virginia Mineral Company, Dorothy Yoder to United States of America, Map showing Survey of Restrictive Easements | | C2354-67 |
| Details | 1978 | Box 174; Land Records 504, p. 476 | Allegany Ballistics Laboratory, Pinto, Allegany County, Maryland and West Virginia Mineral Company, Thomas McKenzie to United States of America, Map showing Survey of Restrictive Easements | | C2354-68 |
| Details | 1979 | Box 101; Land Records 508, p. 15 | Allegany Ballistics Laboratory, Pinto, Exhibits A-B, Map showing Field Survey of Restrictive Easements, Charles E. Twigg and Beverly A. Twigg to United States of America, with Deed of Easement | | C2354-69 |
| Details | 1979 | Box 153; Land Records 509, p. 45 | Adelphi Day Nursery and Childrens Center, Inc., to Margaret E. Hicks, Belle Grove, Election District 1 | | C2354-70 |
| Details | 1979 | Box 112; Land Records 512, p. 293 | Cumberland Shoppers Limited Property, Allegany County Economic Development Company and Biederlack GmbH and Company, Exhibit B, Bedford Road, Route 220, Election District 34 | | C2354-71 |
| Details | 1979 | Box 108; Land Records 512, p. 730 | Allegany County Sanitary Commission and Baltimore and Ohio Railroad Company, Agreement, Plan and Profile of 15-16 Sewer in the Chessie System Railroad property, Corriganville | | C2354-72 |
| Details | 1979 | Box 108; Land Records 512, p. 727 | Allegany County Sanitary Commission, Agreement, Right of Way Acquisition from Western Maryland Railway Company, Mount Savage | | C2354-73 |
| Details | 1980 | Box 58; Land Records 516, p. 533 | Allegany County Sanitary District, Inc., and Luxury Leasing, Inc., Deed and Agreement, Jennings Run, Wills Creek, Election District 20 | | C2354-74 |
| Details | 1980 | Box 67; Land Records 517, p. 539 | Allegany Grove, Conformity and Claim Deed, Western Maryland Railway Company to Potomac Edison, Election District 29 | | C2354-75 |
| Details | 1981 | Box 39 | Allegany County Sanitary Commission, Governing body of Allegany County Sanitary District, Inc., and Georges Creek Sanitary District, Resolution 81-81 filed in Resolution Book Liber I, p. 458 | | C2354-76 |
| Details | 1981 | Box 70 | Allegany County Commissioners, Allegany County Land Development Regulations, Planning and Zoning District Map | | C2354-77 |
| Details | 1982 | Box 39; Land Records 527, pp. 363 and 367 | Allegany County Industrial Foundation, Inc. to Allegany County Commissioners to Benchmark Development Company, Upper Potomac Industrial Park, Cumberland, Roberts Place, Bowling Green, Election District 6 | | C2354-78 |
| Details | 1982 | Box 22 | Allegany County Sanitary Commission, Addition to Georges Creek Sanitary District, Resolution Book I, p. 609 | | C2354-79 |
| Details | 1982 | Box 37; Land Records 529, p. 179 | Ayers, Irene B., Estate of, (Osborne D. Ayers Deed), Survey Plat, Election Districts 21 and 23 near Cumb | | C2354-80 |
| Details | 1982 | Box 24; Land Records 529, p. 477 | Alford, Richard, Survey Plat, Lloyd S. Hyde and Nina S. Hyde to Richard E. Alford, Southeast Side Valley Road at Intersection with Maryland-Pennsylvania state line, Election District 5 | | C2354-81 |
| Details | 1983 | Box 24; Land Records 532, pp. 361-405 | Allegany County Water Commission, Westernport, Town of, Stoney Run Road Water Project, Election District 8, Gilbert Barton, Glenn Shingler, Bonnie K. Shingler, Beverly Steffel, Howard Fazenbaker, Leah B. Fazenbaker, Ernest B. Miller (cont'd ) | | C2354-82 |
| Details | 1983 | Box 70; Land Records 533, p. 755 | Aircon Engineering, Inc., from Maryland State Highway Administration, Cumberland Thruway, South Approach, West Street to Viaduct, Right of Way Project number A452-11-620, Plat number 36406 | | C2354-83 |
| Details | 1983 | Box 87 | Allegany County Sanitary District, Inc., Georges Creek Sanitary District, Right of Way, Plat-Contract number S45, Georges Creek Interceptor and Sewers | | C2354-84 |
| Details | 1983 | Plat 1-12 | Allegany County Sanitary District, Inc., Georges Creek Sanitary District, Right of Way, Plat-Contract number S45, Georges Creek Interceptor and Sewers | | C2354-85 |
| Details | 1983 | Box 87 | Allegany County Sanitary District, Inc., Georges Creek Sanitary District, Right of Way, Plat-Contract number S36, Georges Creek Interceptor and Sewers | | C2354-86 |
| Details | 1983 | Plat 1-7 | Allegany County Sanitary District, Inc., Georges Creek Sanitary District, Right of Way, Plat-Contract number S36, Georges Creek Interceptor and Sewers | | C2354-87 |
| Details | 1983 | Box 87 | Allegany County Sanitary District, Inc., Georges Creek Sanitary District, Right of Way, Plat-Contract number S38, Georges Creek Interceptor and Sewers | | C2354-88 |
| Details | 1983 | Plat 1-6 | Allegany County Sanitary District, Inc., Georges Creek Sanitary District, Right of Way, Plat-Contract number S38, Georges Creek Interceptor and Sewers | | C2354-89 |
| Details | | Box 52 | Dorns Addition to the City of Cumberland | | C2354-90 |
| Details | | Plat Book 1, p. 115 | Dingle, Plat of | | C2354-91 |
| Details | 1912-1913 | Land Records 111, p. 734 | Dingle, Plat of | | C2354-92 |
| Details | | Box 55 | Dime Savings Bank, Conveyed to Thomas B. Finan | | C2354-93 |
| Details | | Plat Book 1, p. 229 | Differ Farms, Revision | | C2354-94 |
| Details | | Box 166 | Differ Farms, Revision | | C2354-95 |
| Details | | Box 90 | Dingle Park Land Company, Revision | | C2354-96 |
| Details | | Plat Book 1, p. 5 | Dingle Highlands | | C2354-97 |
| Details | | Plat Book 1, p. 102 | Dorns Addition | | C2354-98 |
| Details | | Box 153 | Dexter Place, Plat of Lien | | C2354-99 |
| Details | 1857-1858 | Land Records 16, p. 120 | Agnews Addition, Courses and distances (1857) | | C2354-100 |