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
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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   1,447,000 15,461 SH   SOLE   0 0 15,461
ABBOTT LABORATORIES COM 002824100   9,497,000 98,056 SH   SOLE   0 0 98,056
ABBVIE INC COM 00287Y109   2,720,000 18,251 SH   SOLE   0 0 18,251
ADOBE SYSTEMS INCORPORATED COM 00724F101   7,492,000 14,694 SH   SOLE   0 0 14,694
AFLAC INCORPORATED COM 001055102   246,000 3,200 SH   SOLE   0 0 3,200
AIR PRODUCTS & CHEMICALS COM 009158106   458,000 1,615 SH   SOLE   0 0 1,615
ALLSTATE CORPORATION COM 020002101   547,000 4,908 SH   SOLE   0 0 4,908
ALPHABET INC NON-VOTING CL C COM 02079K107   17,275,000 131,023 SH   SOLE   0 0 131,023
ALPHABET INC VOTING CL A COM 02079K305   1,581,000 12,085 SH   SOLE   0 0 12,085
AMAZON.COM INC COM 023135106   13,969,000 109,891 SH   SOLE   0 0 109,891
AMERICAN ELECTRIC POWER COM 025537101   272,000 3,611 SH   SOLE   0 0 3,611
AMERICAN EXPRESS INC COM 025816109   4,053,000 27,169 SH   SOLE   0 0 27,169
AMGEN INC COM 031162100   1,362,000 5,069 SH   SOLE   0 0 5,069
APPLE INC COM 037833100   30,341,000 177,217 SH   SOLE   0 0 177,217
ARCHER DANIELS MIDLAND CO COM 039483102   1,224,000 16,228 SH   SOLE   0 0 16,228
AT&T CORP NEW COM 00206R102   452,000 30,118 SH   SOLE   0 0 30,118
ATMOS ENERGY CORP COM 049560105   2,567,000 24,237 SH   SOLE   0 0 24,237
BALL CORP COM 058498106   385,000 7,730 SH   SOLE   0 0 7,730
BANK OF AMERICA COM 060505104   1,302,000 47,560 SH   SOLE   0 0 47,560
BANK OF NEW YORK MELLON CORP COM 064058100   581,000 13,627 SH   SOLE   0 0 13,627
BECTON DICKINSON COM 075887109   11,401,000 44,098 SH   SOLE   0 0 44,098
BERKSHIRE HATHAWAY INC DEL CLA COM 084670108   4,252,000 8 SH   SOLE   0 0 8
BERKSHIRE HATHAWAY INC DEL CLA COM 084670702   1,406,000 4,013 SH   SOLE   0 0 4,013
BOEING COM 097023105   411,000 2,145 SH   SOLE   0 0 2,145
BP PLC SPONS ADR COM 055622104   200,000 5,176 SH   SOLE   0 0 5,176
BRISTOL-MYERS SQUIBB COMPANY COM 110122108   984,000 16,946 SH   SOLE   0 0 16,946
C S X CORPORATION COM 126408103   773,000 25,151 SH   SOLE   0 0 25,151
CARRIER GLOBAL COM 14448C104   588,000 10,644 SH   SOLE   0 0 10,644
CATERPILLAR INCORPORATED COM 149123101   9,514,000 34,850 SH   SOLE   0 0 34,850
CHEMOURS CO COM 163851108   20,240,000 721,562 SH   SOLE   0 0 721,562
CHEVRON CORP COM 166764100   8,560,000 50,767 SH   SOLE   0 0 50,767
CHURCH & DWIGHT CO INC COM 171340102   13,481,000 147,127 SH   SOLE   0 0 147,127
CISCO SYSTEMS INC COM 17275R102   7,572,000 140,855 SH   SOLE   0 0 140,855
COCA-COLA COMPANY COM 191216100   2,313,000 41,317 SH   SOLE   0 0 41,317
COLGATE-PALMOLIVE COMPANY COM 194162103   386,000 5,434 SH   SOLE   0 0 5,434
COMCAST CORP NEW CL A COM 20030N101   327,000 7,378 SH   SOLE   0 0 7,378
CONOCOPHILLIPS COM 20825C104   714,000 5,957 SH   SOLE   0 0 5,957
CORNING INC. COM 219350105   673,000 22,100 SH   SOLE   0 0 22,100
CORTEVA INC COM 22052L104   66,986,000 1,309,352 SH   SOLE   0 0 1,309,352
COSTCO CO INC COM 22160K105   312,000 552 SH   SOLE   0 0 552
CVS CAREMARK CORPORATION COM 126650100   776,000 11,107 SH   SOLE   0 0 11,107
DANAHER CORP COM 235851102   1,003,000 4,041 SH   SOLE   0 0 4,041
DEERE AND CO. COM 244199105   518,000 1,373 SH   SOLE   0 0 1,373
DENTSPLY SIRONA INC COM 24906P109   581,000 17,006 SH   SOLE   0 0 17,006
DISCOVER FINANCIAL SERVICES COM 254709108   256,000 2,952 SH   SOLE   0 0 2,952
DOMINION RESOURCES INC OF VA COM 25746U109   2,151,000 48,158 SH   SOLE   0 0 48,158
DOVER CORPORATION COM 260003108   336,000 2,411 SH   SOLE   0 0 2,411
DOW CHEMICAL COMPANY (THE) COM 260557103   63,534,000 1,232,231 SH   SOLE   0 0 1,232,231
DTE ENERGY COM 233331107   212,000 2,135 SH   SOLE   0 0 2,135
DU PONT (E.I.) DE NEMOURS & CO COM 263534109   78,121,000 1,047,338 SH   SOLE   0 0 1,047,338
DUKE ENERGY CORP COM 26441C204   1,191,000 13,496 SH   SOLE   0 0 13,496
ELI LILLY & CO COM 532457108   2,829,000 5,266 SH   SOLE   0 0 5,266
ELME COMMUNITIES COM 939653101   406,000 29,795 SH   SOLE   0 0 29,795
EMERSON ELECTRIC CO. COM 291011104   1,372,000 14,204 SH   SOLE   0 0 14,204
ENBRIDGE INC. COM 29250N105   795,000 23,867 SH   SOLE   0 0 23,867
ESSENTIAL UTILITIES INC COM 29670G102   6,214,000 181,004 SH   SOLE   0 0 181,004
EXXON MOBIL CORPORATION COM 30231G102   10,530,000 89,559 SH   SOLE   0 0 89,559
FEDERAL REALTY INV TR S B I COM 313745101   739,000 8,155 SH   SOLE   0 0 8,155
FEDEX CORP COM 31428X106   5,664,000 21,379 SH   SOLE   0 0 21,379
FIRST SOLAR INC COM 336433107   209,000 1,293 SH   SOLE   0 0 1,293
FISERV INC COM 337738108   338,000 2,990 SH   SOLE   0 0 2,990
FRANKLIN RESOURCES INC COM 354613101   543,000 22,095 SH   SOLE   0 0 22,095
GE HEALTHCARE TECHNOLOGIES COM 36266g107   201,000 2,953 SH   SOLE   0 0 2,953
GENERAL ELECTRIC COMPANY COM 369604301   1,324,000 11,977 SH   SOLE   0 0 11,977
GENERAL MILLS INC COM 370334104   955,000 14,926 SH   SOLE   0 0 14,926
GLOBALSTAR INC COM 378973408   20,000 15,000 SH   SOLE   0 0 15,000
GRAHAM HOLDINGS CO. COM 384637104   202,000 346 SH   SOLE   0 0 346
HERSHEY COMPANY COM 427866108   2,416,000 12,077 SH   SOLE   0 0 12,077
HOME DEPOT COM 437076102   1,856,000 6,144 SH   SOLE   0 0 6,144
HONEYWELL INTERNATIONAL INC COM 438516106   5,756,000 31,158 SH   SOLE   0 0 31,158
ILLINOIS TOOL WORKS INC. COM 452308109   13,950,000 60,570 SH   SOLE   0 0 60,570
INTEL CORP COM COM 458140100   4,426,000 124,495 SH   SOLE   0 0 124,495
INTERNATIONAL BUSINESS MACHINE COM 459200101   2,024,000 14,423 SH   SOLE   0 0 14,423
INTERNATIONAL FLAVORS & FRAGRA COM 459506101   10,290,000 150,945 SH   SOLE   0 0 150,945
INTUIT INC COM 461202103   1,911,000 3,740 SH   SOLE   0 0 3,740
ISHARES MSCI EAFE INDEX COM 464287465   210,000 3,040 SH   SOLE   0 0 3,040
ISHARES NASDAQ BIOTECH INDEX COM 464287556   8,295,000 67,830 SH   SOLE   0 0 67,830
ISHARES RUSSELL 2000 IDX COM 464287655   5,075,000 28,713 SH   SOLE   0 0 28,713
ISHARES RUSSELL MIDCAP INDEX COM 464287499   7,604,000 109,807 SH   SOLE   0 0 109,807
JOHNSON & JOHNSON COM 478160104   16,843,000 108,140 SH   SOLE   0 0 108,140
JPMORGAN CHASE & CO. COM 46625H100   13,765,000 94,916 SH   SOLE   0 0 94,916
KELLANOVA COM 487836108   2,181,000 36,641 SH   SOLE   0 0 36,641
KIMBERLY-CLARK CORP COM 494368103   2,287,000 18,928 SH   SOLE   0 0 18,928
KIMCO REALTY CORP REIT COM 49446R109   1,175,000 66,782 SH   SOLE   0 0 66,782
LABORATORY CORP OF AMERICA COM 50540R409   1,318,000 6,556 SH   SOLE   0 0 6,556
LINDE PLC COM G54950103   477,000 1,280 SH   SOLE   0 0 1,280
LOCKHEED MARTIN COM 539830109   789,000 1,929 SH   SOLE   0 0 1,929
LOWES COS COM 548661107   17,906,000 86,155 SH   SOLE   0 0 86,155
M & T BANK CORP COM 55261F104   1,713,000 13,550 SH   SOLE   0 0 13,550
MANPOWER INC WISCONSIN COM 56418H100   346,000 4,724 SH   SOLE   0 0 4,724
MARRIOTT INTERNATIONAL, NEW IN COM 571903202   11,873,000 60,406 SH   SOLE   0 0 60,406
MC DONALD'S CORPORATION COM 580135101   14,664,000 55,662 SH   SOLE   0 0 55,662
MEDTRONIC INC COM G5960L103   485,000 6,185 SH   SOLE   0 0 6,185
MERCK & COMPANY INCORPORATED N COM 58933Y105   8,215,000 79,799 SH   SOLE   0 0 79,799
META PLATFORMS INC COM 30303M102   420,000 1,400 SH   SOLE   0 0 1,400
METTLER-TOLEDO INTL INC COM 592688105   216,000 195 SH   SOLE   0 0 195
MICROSOFT CORPORATION COM 594918104   35,672,000 112,975 SH   SOLE   0 0 112,975
MONDELEZ INTL INC COM 609207105   545,000 7,851 SH   SOLE   0 0 7,851
MORGAN STANLEY & CO COM 617446448   720,000 8,820 SH   SOLE   0 0 8,820
MOTOROLA SOLUTIONS, INC COM 620076307   323,000 1,187 SH   SOLE   0 0 1,187
NATIONAL FUEL GAS CO COM 636180101   222,000 4,268 SH   SOLE   0 0 4,268
NESTLE SA REG ADR COM 641069406   283,000 2,503 SH   SOLE   0 0 2,503
NEW YORK TIMES CL A COM 650111107   260,000 6,310 SH   SOLE   0 0 6,310
NEXTERA ENERGY COM 65339F101   6,438,000 112,370 SH   SOLE   0 0 112,370
NIKE INC CLASS B COM 654106103   368,000 3,847 SH   SOLE   0 0 3,847
NORFOLK SOUTHERN CORP COM 655844108   312,000 1,584 SH   SOLE   0 0 1,584
NORTHERN TRUST CORP COM 665859104   723,000 10,400 SH   SOLE   0 0 10,400
NORTHROP GRUMMAN CORP COM 666807102   352,000 800 SH   SOLE   0 0 800
NVIDIA CORP COM 67066G104   3,331,000 7,658 SH   SOLE   0 0 7,658
ORACLE CORP COM 68389X105   819,000 7,729 SH   SOLE   0 0 7,729
OTIS WORLDWIDE INC COM 68902V107   561,000 6,989 SH   SOLE   0 0 6,989
PEPSICO INCORPORATED COM 713448108   16,089,000 94,956 SH   SOLE   0 0 94,956
PFIZER INCORPORATED COM 717081103   1,092,000 32,925 SH   SOLE   0 0 32,925
PHILIP MORRIS INTERNATIONAL COM 718172109   384,000 4,150 SH   SOLE   0 0 4,150
PHILLIPS 66 COM 718546104   279,000 2,325 SH   SOLE   0 0 2,325
PIONEER NAT RES CO COM 723787107   253,000 1,100 SH   SOLE   0 0 1,100
PNC FINANCIAL SERVICES GROUP COM 693475105   658,000 5,359 SH   SOLE   0 0 5,359
POWERSHARES QQQ TR ETF SERIES COM 73935A104   2,270,000 6,337 SH   SOLE   0 0 6,337
PROCTER & GAMBLE COMPANY COM 742718109   18,623,000 127,681 SH   SOLE   0 0 127,681
PUBLIC SERVICE ENTERPRISE GROU COM 744573106   275,000 4,840 SH   SOLE   0 0 4,840
RAYTHEON TECHNOLOGIES CORP COM 75513E101   6,528,000 90,703 SH   SOLE   0 0 90,703
SALESFORCE.COM INC COM 79466L302   209,000 1,032 SH   SOLE   0 0 1,032
SAUL CENTERS INC. COM 804395101   226,000 6,401 SH   SOLE   0 0 6,401
SELECT SECTOR SPDR TR UTILITIE COM 81369Y886   221,000 3,750 SH   SOLE   0 0 3,750
SMUCKER J.M. CO COM 832696405   640,000 5,206 SH   SOLE   0 0 5,206
SOUTHERN COMPANY (THE) COM 842587107   2,790,000 43,106 SH   SOLE   0 0 43,106
SPDR S&P 500 ETF COM 78462F103   427,000 1,000 SH   SOLE   0 0 1,000
SUMMIT FINANCIAL GROUP COM 86606G101   265,000 11,750 SH   SOLE   0 0 11,750
SYSCO CORPORATION COM 871829107   1,097,000 16,604 SH   SOLE   0 0 16,604
T ROWE PRICE GROUP INC. COM 74144T108   10,236,000 97,611 SH   SOLE   0 0 97,611
TARGET CORP COM 87612E106   542,000 4,900 SH   SOLE   0 0 4,900
TESLA MOTORS INC COM 88160R101   1,224,000 4,892 SH   SOLE   0 0 4,892
TEXAS INSTRUMENTS COM 882508104   1,234,000 7,758 SH   SOLE   0 0 7,758
THE TJX COMPANIES COM 872540109   562,000 6,324 SH   SOLE   0 0 6,324
THE TRAVELERS COS INC COM 89417E109   643,000 3,939 SH   SOLE   0 0 3,939
THERMO FISHER SCIENTIFIC COM 883556102   512,000 1,011 SH   SOLE   0 0 1,011
TRUIST FINANCIAL CORP COM 89832Q109   266,000 9,305 SH   SOLE   0 0 9,305
UDR INC COM 902653104   687,000 19,272 SH   SOLE   0 0 19,272
UNILEVER PLC SPONS ADR COM 904767704   237,000 4,800 SH   SOLE   0 0 4,800
UNION PACIFIC CORP COM 907818108   6,675,000 32,778 SH   SOLE   0 0 32,778
UNITED HEALTHCARE CORP COM 91324P102   12,114,000 24,026 SH   SOLE   0 0 24,026
UNITED PARCEL SERVICE INC CL B COM 911312106   229,000 1,471 SH   SOLE   0 0 1,471
VANGUARD EMERGING MARKETS ETF COM 922042858   504,000 12,857 SH   SOLE   0 0 12,857
VANGUARD FTSE DEVELOPED MARKET COM 921943858   928,000 21,221 SH   SOLE   0 0 21,221
VANGUARD INFORMATION TECHNOLOG COM 92204A702   79,458,000 191,510 SH   SOLE   0 0 191,510
VANGUARD MID CAP ETF COM 922908629   7,240,000 34,766 SH   SOLE   0 0 34,766
VANGUARD REIT ETF COM 922908553   1,616,000 21,357 SH   SOLE   0 0 21,357
VANGUARD S&P ETF COM 922908363   980,000 2,495 SH   SOLE   0 0 2,495
VANGUARD SMALL CAP ETF COM 922908751   5,312,000 28,093 SH   SOLE   0 0 28,093
VANGUARD TOTAL STOCK MARKET COM 922908769   5,283,000 24,870 SH   SOLE   0 0 24,870
VERIZON COMMUNICATIONS COM 92343V104   2,309,000 71,229 SH   SOLE   0 0 71,229
VESTAS WIND SYS UK ADR COM 925458101   137,000 19,355 SH   SOLE   0 0 19,355
VISA INC CLASS A COM 92826C839   13,918,000 60,511 SH   SOLE   0 0 60,511
VULCAN MATERIALS CO COM 929160109   505,000 2,499 SH   SOLE   0 0 2,499
WAL-MART STORES INC COM 931142103   1,755,000 10,974 SH   SOLE   0 0 10,974
WALGREENS BOOTS ALLIANCE, INC. COM 931427108   240,000 10,805 SH   SOLE   0 0 10,805
WALT DISNEY COMPANY COM 254687106   6,741,000 83,177 SH   SOLE   0 0 83,177
WASTE CONNECTIONS INC COM 94106B101   256,000 1,900 SH   SOLE   0 0 1,900
WASTE MANAGEMENT INC. COM 94106L109   248,000 1,629 SH   SOLE   0 0 1,629
WELLS FARGO & CO. NEW COM 949746101   3,782,000 92,563 SH   SOLE   0 0 92,563
WEYERHAEUSER CO COM 962166104   206,000 6,729 SH   SOLE   0 0 6,729
WHITE MOUNTAINS INS. COM G9618E107   298,000 199 SH   SOLE   0 0 199
YUM BRANDS INC COM 988498101   258,000 2,066 SH   SOLE   0 0 2,066