The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO. COM 88579Y101   1,574,000 14,836 SH   SOLE   0 0 14,836
ABBOTT LABORATORIES COM 002824100   11,722,000 103,136 SH   SOLE   0 0 103,136
ABBVIE INC COM 00287Y109   3,292,000 18,078 SH   SOLE   0 0 18,078
ADOBE SYSTEMS INCORPORATED COM 00724F101   7,432,000 14,729 SH   SOLE   0 0 14,729
AFLAC INCORPORATED COM 001055102   262,000 3,050 SH   SOLE   0 0 3,050
AIR PRODUCTS & CHEMICALS COM 009158106   387,000 1,598 SH   SOLE   0 0 1,598
ALLSTATE CORPORATION COM 020002101   849,000 4,908 SH   SOLE   0 0 4,908
ALPHABET INC NON-VOTING CL C COM 02079K107   19,631,000 128,931 SH   SOLE   0 0 128,931
ALPHABET INC VOTING CL A COM 02079K305   1,801,000 11,935 SH   SOLE   0 0 11,935
AMAZON.COM INC COM 023135106   19,407,000 107,587 SH   SOLE   0 0 107,587
AMERICAN ELECTRIC POWER COM 025537101   251,000 2,921 SH   SOLE   0 0 2,921
AMERICAN EXPRESS INC COM 025816109   6,235,000 27,385 SH   SOLE   0 0 27,385
AMGEN INC COM 031162100   1,437,000 5,054 SH   SOLE   0 0 5,054
APPLE INC COM 037833100   30,087,000 175,457 SH   SOLE   0 0 175,457
ARCHER DANIELS MIDLAND CO COM 039483102   1,019,000 16,228 SH   SOLE   0 0 16,228
AT&T CORP NEW COM 00206R102   447,000 25,388 SH   SOLE   0 0 25,388
ATMOS ENERGY CORP COM 049560105   2,887,000 24,285 SH   SOLE   0 0 24,285
BALL CORP COM 058498106   551,000 8,185 SH   SOLE   0 0 8,185
BANK OF AMERICA COM 060505104   1,662,000 43,839 SH   SOLE   0 0 43,839
BANK OF NEW YORK MELLON CORP COM 064058100   729,000 12,657 SH   SOLE   0 0 12,657
BECTON DICKINSON COM 075887109   10,413,000 42,083 SH   SOLE   0 0 42,083
BERKSHIRE HATHAWAY INC DEL CLA COM 084670108   4,441,000 7 SH   SOLE   0 0 7
BERKSHIRE HATHAWAY INC DEL CLA COM 084670702   2,077,000 4,938 SH   SOLE   0 0 4,938
BOEING COM 097023105   390,000 2,020 SH   SOLE   0 0 2,020
BRISTOL-MYERS SQUIBB COMPANY COM 110122108   892,000 16,445 SH   SOLE   0 0 16,445
C S X CORPORATION COM 126408103   910,000 24,551 SH   SOLE   0 0 24,551
CARRIER GLOBAL COM 14448C104   624,000 10,733 SH   SOLE   0 0 10,733
CATERPILLAR INCORPORATED COM 149123101   12,429,000 33,918 SH   SOLE   0 0 33,918
CHEMOURS CO COM 163851108   17,852,000 679,826 SH   SOLE   0 0 679,826
CHEVRON CORP COM 166764100   7,873,000 49,914 SH   SOLE   0 0 49,914
CHIPOTLE MEXICAN GRILL INC COM 169656105   227,000 78 SH   SOLE   0 0 78
CHURCH & DWIGHT CO INC COM 171340102   15,106,000 144,818 SH   SOLE   0 0 144,818
CIGNA CORP COM 125509109   243,000 668 SH   SOLE   0 0 668
CISCO SYSTEMS INC COM 17275R102   6,883,000 137,912 SH   SOLE   0 0 137,912
COCA-COLA COMPANY COM 191216100   2,241,000 36,623 SH   SOLE   0 0 36,623
COLGATE-PALMOLIVE COMPANY COM 194162103   489,000 5,434 SH   SOLE   0 0 5,434
COMCAST CORP NEW CL A COM 20030N101   298,000 6,879 SH   SOLE   0 0 6,879
CONOCOPHILLIPS COM 20825C104   752,000 5,905 SH   SOLE   0 0 5,905
CORNING INC. COM 219350105   679,000 20,600 SH   SOLE   0 0 20,600
CORTEVA INC COM 22052L104   75,511,000 1,309,355 SH   SOLE   0 0 1,309,355
COSTCO CO INC COM 22160K105   404,000 552 SH   SOLE   0 0 552
CVS CAREMARK CORPORATION COM 126650100   870,000 10,910 SH   SOLE   0 0 10,910
DANAHER CORP COM 235851102   989,000 3,961 SH   SOLE   0 0 3,961
DEERE AND CO. COM 244199105   552,000 1,344 SH   SOLE   0 0 1,344
DENTSPLY SIRONA INC COM 24906P109   468,000 14,091 SH   SOLE   0 0 14,091
DISCOVER FINANCIAL SERVICES COM 254709108   387,000 2,952 SH   SOLE   0 0 2,952
DOMINION RESOURCES INC OF VA COM 25746U109   2,195,000 44,627 SH   SOLE   0 0 44,627
DOVER CORPORATION COM 260003108   427,000 2,410 SH   SOLE   0 0 2,410
DOW CHEMICAL COMPANY (THE) COM 260557103   71,377,000 1,232,131 SH   SOLE   0 0 1,232,131
DTE ENERGY COM 233331107   239,000 2,135 SH   SOLE   0 0 2,135
DU PONT (E.I.) DE NEMOURS & CO COM 263534109   80,300,000 1,047,341 SH   SOLE   0 0 1,047,341
DUKE ENERGY CORP COM 26441C204   1,296,000 13,396 SH   SOLE   0 0 13,396
ELI LILLY & CO COM 532457108   4,050,000 5,206 SH   SOLE   0 0 5,206
ELME COMMUNITIES COM 939653101   241,000 17,297 SH   SOLE   0 0 17,297
EMERSON ELECTRIC CO. COM 291011104   1,608,000 14,181 SH   SOLE   0 0 14,181
ENBRIDGE INC. COM 29250N105   828,000 22,885 SH   SOLE   0 0 22,885
ESSENTIAL UTILITIES INC COM 29670G102   7,182,000 193,838 SH   SOLE   0 0 193,838
EXXON MOBIL CORPORATION COM 30231G102   10,236,000 88,056 SH   SOLE   0 0 88,056
FEDERAL REALTY INV TR S B I COM 313745101   806,000 7,897 SH   SOLE   0 0 7,897
FEDEX CORP COM 31428X106   5,932,000 20,475 SH   SOLE   0 0 20,475
FIRST SOLAR INC COM 336433107   218,000 1,293 SH   SOLE   0 0 1,293
FISERV INC COM 337738108   475,000 2,975 SH   SOLE   0 0 2,975
FRANKLIN RESOURCES INC COM 354613101   617,000 21,945 SH   SOLE   0 0 21,945
GE HEALTHCARE TECHNOLOGIES COM 36266g107   257,000 2,827 SH   SOLE   0 0 2,827
GENERAL ELECTRIC COMPANY COM 369604301   2,081,000 11,858 SH   SOLE   0 0 11,858
GENERAL MILLS INC COM 370334104   947,000 13,539 SH   SOLE   0 0 13,539
GRAHAM HOLDINGS CO. COM 384637104   266,000 346 SH   SOLE   0 0 346
HARLEY DAVIDSON INC COM 412822108   217,000 4,966 SH   SOLE   0 0 4,966
HERSHEY COMPANY COM 427866108   2,347,000 12,067 SH   SOLE   0 0 12,067
HOME DEPOT COM 437076102   2,224,000 5,799 SH   SOLE   0 0 5,799
HONEYWELL INTERNATIONAL INC COM 438516106   6,260,000 30,498 SH   SOLE   0 0 30,498
HP INC COM 40434L105   226,000 7,480 SH   SOLE   0 0 7,480
ILLINOIS TOOL WORKS INC. COM 452308109   16,115,000 60,057 SH   SOLE   0 0 60,057
INTEL CORP COM COM 458140100   5,405,000 122,369 SH   SOLE   0 0 122,369
INTERNATIONAL BUSINESS MACHINE COM 459200101   2,628,000 13,761 SH   SOLE   0 0 13,761
INTERNATIONAL FLAVORS & FRAGRA COM 459506101   12,970,000 150,834 SH   SOLE   0 0 150,834
INTUIT INC COM 461202103   2,431,000 3,740 SH   SOLE   0 0 3,740
ISHARES MSCI EAFE INDEX COM 464287465   233,000 2,915 SH   SOLE   0 0 2,915
ISHARES NASDAQ BIOTECH INDEX COM 464287556   9,012,000 65,677 SH   SOLE   0 0 65,677
ISHARES RUSSELL 2000 IDX COM 464287655   5,851,000 27,822 SH   SOLE   0 0 27,822
ISHARES RUSSELL MIDCAP INDEX COM 464287499   8,946,000 106,383 SH   SOLE   0 0 106,383
JOHNSON & JOHNSON COM 478160104   16,902,000 106,848 SH   SOLE   0 0 106,848
JPMORGAN CHASE & CO. COM 46625H100   18,794,000 93,831 SH   SOLE   0 0 93,831
KELLANOVA COM 487836108   2,014,000 35,146 SH   SOLE   0 0 35,146
KIMBERLY-CLARK CORP COM 494368103   2,351,000 18,178 SH   SOLE   0 0 18,178
KIMCO REALTY CORP REIT COM 49446R109   1,299,000 66,227 SH   SOLE   0 0 66,227
LABORATORY CORP OF AMERICA COM 50540R409   1,413,000 6,466 SH   SOLE   0 0 6,466
LINDE PLC COM G54950103   594,000 1,280 SH   SOLE   0 0 1,280
LOCKHEED MARTIN COM 539830109   877,000 1,929 SH   SOLE   0 0 1,929
LOUISIANA PAC CORP COM 546347105   200,000 2,384 SH   SOLE   0 0 2,384
LOWES COS COM 548661107   21,270,000 83,500 SH   SOLE   0 0 83,500
M & T BANK CORP COM 55261F104   1,971,000 13,550 SH   SOLE   0 0 13,550
MANPOWER INC WISCONSIN COM 56418H100   367,000 4,724 SH   SOLE   0 0 4,724
MARRIOTT INTERNATIONAL, NEW IN COM 571903202   14,926,000 59,156 SH   SOLE   0 0 59,156
MC DONALD'S CORPORATION COM 580135101   15,485,000 54,922 SH   SOLE   0 0 54,922
MEDTRONIC INC COM G5960L103   413,000 4,743 SH   SOLE   0 0 4,743
MERCK & COMPANY INCORPORATED N COM 58933Y105   10,367,000 78,568 SH   SOLE   0 0 78,568
META PLATFORMS INC COM 30303M102   664,000 1,368 SH   SOLE   0 0 1,368
METTLER-TOLEDO INTL INC COM 592688105   260,000 195 SH   SOLE   0 0 195
MICROSOFT CORPORATION COM 594918104   46,381,000 110,241 SH   SOLE   0 0 110,241
MONDELEZ INTL INC COM 609207105   550,000 7,858 SH   SOLE   0 0 7,858
MORGAN STANLEY & CO COM 617446448   830,000 8,820 SH   SOLE   0 0 8,820
MOTOROLA SOLUTIONS, INC COM 620076307   421,000 1,187 SH   SOLE   0 0 1,187
NATIONAL FUEL GAS CO COM 636180101   229,000 4,266 SH   SOLE   0 0 4,266
NESTLE SA REG ADR COM 641069406   266,000 2,503 SH   SOLE   0 0 2,503
NEW YORK TIMES CL A COM 650111107   273,000 6,310 SH   SOLE   0 0 6,310
NEXTERA ENERGY COM 65339F101   8,116,000 126,989 SH   SOLE   0 0 126,989
NIKE INC CLASS B COM 654106103   404,000 4,297 SH   SOLE   0 0 4,297
NORFOLK SOUTHERN CORP COM 655844108   404,000 1,584 SH   SOLE   0 0 1,584
NORTHERN TRUST CORP COM 665859104   925,000 10,400 SH   SOLE   0 0 10,400
NORTHROP GRUMMAN CORP COM 666807102   312,000 652 SH   SOLE   0 0 652
NVIDIA CORP COM 67066G104   7,037,000 7,788 SH   SOLE   0 0 7,788
ORACLE CORP COM 68389X105   820,000 6,529 SH   SOLE   0 0 6,529
OTIS WORLDWIDE INC COM 68902V107   649,000 6,539 SH   SOLE   0 0 6,539
PEPSICO INCORPORATED COM 713448108   17,090,000 97,652 SH   SOLE   0 0 97,652
PFIZER INCORPORATED COM 717081103   787,000 28,374 SH   SOLE   0 0 28,374
PHILIP MORRIS INTERNATIONAL COM 718172109   366,000 4,000 SH   SOLE   0 0 4,000
PHILLIPS 66 COM 718546104   380,000 2,325 SH   SOLE   0 0 2,325
PIONEER NAT RES CO COM 723787107   289,000 1,100 SH   SOLE   0 0 1,100
PNC FINANCIAL SERVICES GROUP COM 693475105   855,000 5,289 SH   SOLE   0 0 5,289
POWERSHARES QQQ TR ETF SERIES COM 73935A104   2,592,000 5,837 SH   SOLE   0 0 5,837
PROCTER & GAMBLE COMPANY COM 742718109   20,519,000 126,465 SH   SOLE   0 0 126,465
PUBLIC SERVICE ENTERPRISE GROU COM 744573106   317,000 4,740 SH   SOLE   0 0 4,740
QUALCOMM INC COM 747525103   267,000 1,578 SH   SOLE   0 0 1,578
RAYTHEON TECHNOLOGIES CORP COM 75513E101   9,048,000 92,776 SH   SOLE   0 0 92,776
SALESFORCE.COM INC COM 79466L302   448,000 1,487 SH   SOLE   0 0 1,487
SAUL CENTERS INC. COM 804395101   215,000 5,578 SH   SOLE   0 0 5,578
SMUCKER J.M. CO COM 832696405   655,000 5,206 SH   SOLE   0 0 5,206
SOUTHERN COMPANY (THE) COM 842587107   3,142,000 43,793 SH   SOLE   0 0 43,793
SPDR S&P 500 ETF COM 78462F103   523,000 1,000 SH   SOLE   0 0 1,000
SUMMIT FINANCIAL GROUP COM 86606G101   296,000 10,883 SH   SOLE   0 0 10,883
SYSCO CORPORATION COM 871829107   1,232,000 15,181 SH   SOLE   0 0 15,181
T ROWE PRICE GROUP INC. COM 74144T108   11,812,000 96,887 SH   SOLE   0 0 96,887
TARGET CORP COM 87612E106   866,000 4,885 SH   SOLE   0 0 4,885
TESLA MOTORS INC COM 88160R101   861,000 4,900 SH   SOLE   0 0 4,900
TEXAS INSTRUMENTS COM 882508104   1,352,000 7,758 SH   SOLE   0 0 7,758
THE TJX COMPANIES COM 872540109   641,000 6,324 SH   SOLE   0 0 6,324
THE TRAVELERS COS INC COM 89417E109   907,000 3,939 SH   SOLE   0 0 3,939
THERMO FISHER SCIENTIFIC COM 883556102   571,000 983 SH   SOLE   0 0 983
TRIMBLE NAVIGATION COM 896239100   219,000 3,400 SH   SOLE   0 0 3,400
TRUIST FINANCIAL CORP COM 89832Q109   319,000 8,180 SH   SOLE   0 0 8,180
UBER TECHNOLOGIES INC COM 90353T100   239,000 3,100 SH   SOLE   0 0 3,100
UDR INC COM 902653104   722,000 19,290 SH   SOLE   0 0 19,290
UNILEVER PLC SPONS ADR COM 904767704   241,000 4,800 SH   SOLE   0 0 4,800
UNION PACIFIC CORP COM 907818108   7,994,000 32,503 SH   SOLE   0 0 32,503
UNITED HEALTHCARE CORP COM 91324P102   11,883,000 24,020 SH   SOLE   0 0 24,020
VANGUARD EMERGING MARKETS ETF COM 922042858   504,000 12,062 SH   SOLE   0 0 12,062
VANGUARD FTSE DEVELOPED MARKET COM 921943858   1,043,000 20,786 SH   SOLE   0 0 20,786
VANGUARD INFORMATION TECHNOLOG COM 92204A702   97,729,000 186,385 SH   SOLE   0 0 186,385
VANGUARD MID CAP ETF COM 922908629   8,294,000 33,195 SH   SOLE   0 0 33,195
VANGUARD REIT ETF COM 922908553   1,818,000 21,027 SH   SOLE   0 0 21,027
VANGUARD S&P ETF COM 922908363   749,000 1,559 SH   SOLE   0 0 1,559
VANGUARD SMALL CAP ETF COM 922908751   6,114,000 26,748 SH   SOLE   0 0 26,748
VANGUARD TOTAL STOCK MARKET COM 922908769   7,030,000 27,050 SH   SOLE   0 0 27,050
VERIZON COMMUNICATIONS COM 92343V104   2,737,000 65,235 SH   SOLE   0 0 65,235
VESTAS WIND SYS UK ADR COM 925458101   179,000 19,355 SH   SOLE   0 0 19,355
VISA INC CLASS A COM 92826C839   16,713,000 59,885 SH   SOLE   0 0 59,885
VULCAN MATERIALS CO COM 929160109   682,000 2,499 SH   SOLE   0 0 2,499
WAL-MART STORES INC COM 931142103   1,979,000 32,893 SH   SOLE   0 0 32,893
WALGREENS BOOTS ALLIANCE, INC. COM 931427108   221,000 10,210 SH   SOLE   0 0 10,210
WALT DISNEY COMPANY COM 254687106   9,911,000 80,997 SH   SOLE   0 0 80,997
WASTE CONNECTIONS INC COM 94106B101   327,000 1,900 SH   SOLE   0 0 1,900
WASTE MANAGEMENT INC. COM 94106L109   347,000 1,629 SH   SOLE   0 0 1,629
WELLS FARGO & CO. NEW COM 949746101   5,085,000 87,738 SH   SOLE   0 0 87,738
WEYERHAEUSER CO COM 962166104   242,000 6,729 SH   SOLE   0 0 6,729
WHITE MOUNTAINS INS. COM G9618E107   357,000 199 SH   SOLE   0 0 199
YUM BRANDS INC COM 988498101   286,000 2,066 SH   SOLE   0 0 2,066