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 | (x$1000) | PRN AMT | PRN | CALL | DISCRETION | MANAGER | SOLE | SHARED | NONE |
3M CO. | COM | 88579Y101 | 3,298 | 18,692 | SH | | SOLE | | 0 | 0 | 18,692 |
ABBOTT LABORATORIES | COM | 002824100 | 8,067 | 92,878 | SH | | SOLE | | 0 | 0 | 92,878 |
ABBVIE INC | COM | 00287Y109 | 1,627 | 18,371 | SH | | SOLE | | 0 | 0 | 18,371 |
ADOBE SYSTEMS INCORPORATED | COM | 00724F101 | 4,823 | 14,623 | SH | | SOLE | | 0 | 0 | 14,623 |
AIR PRODUCTS & CHEMICALS | COM | 009158106 | 321 | 1,368 | SH | | SOLE | | 0 | 0 | 1,368 |
ALLSTATE CORPORATION | COM | 020002101 | 729 | 6,483 | SH | | SOLE | | 0 | 0 | 6,483 |
ALPHABET INC NON-VOTING CL C | COM | 02079K107 | 8,653 | 6,472 | SH | | SOLE | | 0 | 0 | 6,472 |
ALPHABET INC VOTING CL A | COM | 02079K305 | 656 | 490 | SH | | SOLE | | 0 | 0 | 490 |
ALTRIA GROUP | COM | 02209S103 | 227 | 4,556 | SH | | SOLE | | 0 | 0 | 4,556 |
AMAZON.COM INC | COM | 023135106 | 8,238 | 4,458 | SH | | SOLE | | 0 | 0 | 4,458 |
AMERICAN ELECTRIC POWER | COM | 025537101 | 246 | 2,606 | SH | | SOLE | | 0 | 0 | 2,606 |
AMERICAN EXPRESS INC | COM | 025816109 | 3,477 | 27,930 | SH | | SOLE | | 0 | 0 | 27,930 |
AMGEN INC | COM | 031162100 | 1,195 | 4,958 | SH | | SOLE | | 0 | 0 | 4,958 |
APPLE INC | COM | 037833100 | 12,792 | 43,562 | SH | | SOLE | | 0 | 0 | 43,562 |
AQUA AMERICA | COM | 03836W103 | 7,730 | 164,672 | SH | | SOLE | | 0 | 0 | 164,672 |
ARCHER DANIELS MIDLAND CO | COM | 039483102 | 1,153 | 24,876 | SH | | SOLE | | 0 | 0 | 24,876 |
AT&T CORP NEW | COM | 00206R102 | 2,393 | 61,229 | SH | | SOLE | | 0 | 0 | 61,229 |
ATMOS ENERGY CORP | COM | 049560105 | 2,033 | 18,175 | SH | | SOLE | | 0 | 0 | 18,175 |
BALL CORP | COM | 058498106 | 252 | 3,900 | SH | | SOLE | | 0 | 0 | 3,900 |
BANK OF AMERICA | COM | 060505104 | 1,455 | 41,317 | SH | | SOLE | | 0 | 0 | 41,317 |
BANK OF NEW YORK MELLON CORP | COM | 064058100 | 969 | 19,254 | SH | | SOLE | | 0 | 0 | 19,254 |
BECTON DICKINSON | COM | 075887109 | 11,689 | 42,980 | SH | | SOLE | | 0 | 0 | 42,980 |
BERKSHIRE HATHAWAY INC DEL CLA | COM | 084670108 | 4,415 | 13 | SH | | SOLE | | 0 | 0 | 13 |
BERKSHIRE HATHAWAY INC DEL CLA | COM | 084670702 | 795 | 3,510 | SH | | SOLE | | 0 | 0 | 3,510 |
BOEING | COM | 097023105 | 3,143 | 9,648 | SH | | SOLE | | 0 | 0 | 9,648 |
BP PLC SPONS ADR | COM | 055622104 | 262 | 6,945 | SH | | SOLE | | 0 | 0 | 6,945 |
BRISTOL-MYERS SQUIBB COMPANY | COM | 110122108 | 1,028 | 16,019 | SH | | SOLE | | 0 | 0 | 16,019 |
C S X CORPORATION | COM | 126408103 | 507 | 7,000 | SH | | SOLE | | 0 | 0 | 7,000 |
CABLE ONE INC | COM | 12685J105 | 561 | 377 | SH | | SOLE | | 0 | 0 | 377 |
CATERPILLAR INCORPORATED | COM | 149123101 | 5,384 | 36,456 | SH | | SOLE | | 0 | 0 | 36,456 |
CHEMOURS CO | COM | 163851108 | 12,715 | 702,885 | SH | | SOLE | | 0 | 0 | 702,885 |
CHEVRON CORP | COM | 166764100 | 6,968 | 57,824 | SH | | SOLE | | 0 | 0 | 57,824 |
CHURCH & DWIGHT CO INC | COM | 171340102 | 10,599 | 150,678 | SH | | SOLE | | 0 | 0 | 150,678 |
CISCO SYSTEMS INC | COM | 17275R102 | 6,880 | 143,447 | SH | | SOLE | | 0 | 0 | 143,447 |
COASTAL CARIBBEAN OILS & MINER | COM | 190432203 | 0 | 69,910 | SH | | SOLE | | 0 | 0 | 69,910 |
COCA-COLA COMPANY | COM | 191216100 | 2,318 | 41,882 | SH | | SOLE | | 0 | 0 | 41,882 |
COLGATE-PALMOLIVE COMPANY | COM | 194162103 | 430 | 6,252 | SH | | SOLE | | 0 | 0 | 6,252 |
COMCAST CORP NEW CL A | COM | 20030N101 | 280 | 6,222 | SH | | SOLE | | 0 | 0 | 6,222 |
CONOCOPHILLIPS | COM | 20825C104 | 360 | 5,534 | SH | | SOLE | | 0 | 0 | 5,534 |
CORNING INC. | COM | 219350105 | 707 | 24,300 | SH | | SOLE | | 0 | 0 | 24,300 |
CORTEVA INC | COM | 22052L104 | 31,513 | 1,066,079 | SH | | SOLE | | 0 | 0 | 1,066,079 |
CVS CAREMARK CORPORATION | COM | 126650100 | 591 | 7,950 | SH | | SOLE | | 0 | 0 | 7,950 |
DANAHER CORP | COM | 235851102 | 648 | 4,225 | SH | | SOLE | | 0 | 0 | 4,225 |
DEERE AND CO. | COM | 244199105 | 217 | 1,250 | SH | | SOLE | | 0 | 0 | 1,250 |
DENTSPLY SIRONA INC | COM | 24906P109 | 2,262 | 39,965 | SH | | SOLE | | 0 | 0 | 39,965 |
DISCOVER FINANCIAL SERVICES | COM | 254709108 | 508 | 5,992 | SH | | SOLE | | 0 | 0 | 5,992 |
DOMINION RESOURCES INC OF VA | COM | 25746U109 | 4,644 | 56,072 | SH | | SOLE | | 0 | 0 | 56,072 |
DOVER CORPORATION | COM | 260003108 | 263 | 2,285 | SH | | SOLE | | 0 | 0 | 2,285 |
DOW CHEMICAL COMPANY (THE) | COM | 260543103 | 60,358 | 1,102,840 | SH | | SOLE | | 0 | 0 | 1,102,840 |
DTE ENERGY | COM | 233331107 | 391 | 3,011 | SH | | SOLE | | 0 | 0 | 3,011 |
DU PONT (E.I.) DE NEMOURS & CO | COM | 263534109 | 70,896 | 1,104,297 | SH | | SOLE | | 0 | 0 | 1,104,297 |
DUKE ENERGY CORP | COM | 26441C204 | 1,512 | 16,577 | SH | | SOLE | | 0 | 0 | 16,577 |
ELI LILLY & CO | COM | 532457108 | 635 | 4,833 | SH | | SOLE | | 0 | 0 | 4,833 |
EMERSON ELECTRIC CO. | COM | 291011104 | 1,083 | 14,206 | SH | | SOLE | | 0 | 0 | 14,206 |
ENBRIDGE INC. | COM | 29250N105 | 1,045 | 26,267 | SH | | SOLE | | 0 | 0 | 26,267 |
EXELON CORP | COM | 30161N101 | 225 | 4,936 | SH | | SOLE | | 0 | 0 | 4,936 |
EXXON MOBIL CORPORATION | COM | 30231G102 | 10,346 | 148,272 | SH | | SOLE | | 0 | 0 | 148,272 |
FEDERAL REALTY INV TR S B I | COM | 313747206 | 1,464 | 11,374 | SH | | SOLE | | 0 | 0 | 11,374 |
FEDEX CORP | COM | 31428X106 | 4,423 | 29,248 | SH | | SOLE | | 0 | 0 | 29,248 |
FISERV INC | COM | 337738108 | 357 | 3,090 | SH | | SOLE | | 0 | 0 | 3,090 |
FORTIVE CORP | COM | 34959J108 | 343 | 4,488 | SH | | SOLE | | 0 | 0 | 4,488 |
FRANKLIN RESOURCES INC | COM | 354613101 | 587 | 22,585 | SH | | SOLE | | 0 | 0 | 22,585 |
GENERAL ELECTRIC COMPANY | COM | 369604103 | 2,129 | 190,793 | SH | | SOLE | | 0 | 0 | 190,793 |
GENERAL MILLS INC | COM | 370334104 | 729 | 13,614 | SH | | SOLE | | 0 | 0 | 13,614 |
GRAHAM HOLDINGS CO. | COM | 384637104 | 215 | 336 | SH | | SOLE | | 0 | 0 | 336 |
HEALTH PEAK PROPERTIES INC | COM | 42250P103 | 259 | 7,524 | SH | | SOLE | | 0 | 0 | 7,524 |
HERSHEY COMPANY | COM | 427866108 | 1,732 | 11,787 | SH | | SOLE | | 0 | 0 | 11,787 |
HOME DEPOT | COM | 437076102 | 1,068 | 4,891 | SH | | SOLE | | 0 | 0 | 4,891 |
HONEYWELL INTERNATIONAL INC | COM | 438516106 | 3,218 | 18,182 | SH | | SOLE | | 0 | 0 | 18,182 |
ILLINOIS TOOL WORKS INC. | COM | 452308109 | 11,579 | 64,459 | SH | | SOLE | | 0 | 0 | 64,459 |
INTEL CORP COM | COM | 458140100 | 7,919 | 132,309 | SH | | SOLE | | 0 | 0 | 132,309 |
INTERNATIONAL BUSINESS MACHINE | COM | 459200101 | 2,644 | 19,724 | SH | | SOLE | | 0 | 0 | 19,724 |
INTERNATIONAL PAPER CO | COM | 460146103 | 263 | 5,709 | SH | | SOLE | | 0 | 0 | 5,709 |
INTUIT INC | COM | 461202103 | 943 | 3,600 | SH | | SOLE | | 0 | 0 | 3,600 |
ISHARES MSCI EAFE INDEX | COM | 464287465 | 377 | 5,434 | SH | | SOLE | | 0 | 0 | 5,434 |
ISHARES NASDAQ BIOTECH INDEX | COM | 464287556 | 6,605 | 54,811 | SH | | SOLE | | 0 | 0 | 54,811 |
ISHARES RUSSELL 2000 IDX | COM | 464287655 | 5,087 | 30,705 | SH | | SOLE | | 0 | 0 | 30,705 |
ISHARES RUSSELL MIDCAP INDEX | COM | 464287499 | 7,100 | 119,083 | SH | | SOLE | | 0 | 0 | 119,083 |
JOHNSON & JOHNSON | COM | 478160104 | 15,694 | 107,586 | SH | | SOLE | | 0 | 0 | 107,586 |
JPMORGAN CHASE & CO. | COM | 46625H100 | 13,166 | 94,449 | SH | | SOLE | | 0 | 0 | 94,449 |
KELLOGG COMPANY | COM | 487836108 | 2,807 | 40,586 | SH | | SOLE | | 0 | 0 | 40,586 |
KIMBERLY-CLARK CORP | COM | 494368103 | 2,837 | 20,625 | SH | | SOLE | | 0 | 0 | 20,625 |
LABORATORY CORP OF AMERICA | COM | 50540R409 | 1,048 | 6,197 | SH | | SOLE | | 0 | 0 | 6,197 |
LINDE PLC | COM | G5494J103 | 385 | 1,807 | SH | | SOLE | | 0 | 0 | 1,807 |
LOCKHEED MARTIN | COM | 539830109 | 939 | 2,412 | SH | | SOLE | | 0 | 0 | 2,412 |
LOWES COS | COM | 548661107 | 12,638 | 105,524 | SH | | SOLE | | 0 | 0 | 105,524 |
M & T BANK CORP | COM | 55261F104 | 2,300 | 13,550 | SH | | SOLE | | 0 | 0 | 13,550 |
MANPOWER INC WISCONSIN | COM | 56418H100 | 459 | 4,724 | SH | | SOLE | | 0 | 0 | 4,724 |
MARRIOTT INTERNATIONAL, NEW IN | COM | 571903202 | 8,242 | 54,431 | SH | | SOLE | | 0 | 0 | 54,431 |
MARRIOTT VACATIONS WORLDWIDE C | COM | 57164Y107 | 225 | 1,745 | SH | | SOLE | | 0 | 0 | 1,745 |
MC DONALD'S CORPORATION | COM | 580135101 | 11,313 | 57,249 | SH | | SOLE | | 0 | 0 | 57,249 |
MEDTRONIC INC | COM | G5960L103 | 505 | 4,452 | SH | | SOLE | | 0 | 0 | 4,452 |
MERCK & COMPANY INCORPORATED N | COM | 58933Y105 | 6,798 | 74,743 | SH | | SOLE | | 0 | 0 | 74,743 |
MICROSOFT CORPORATION | COM | 594918104 | 19,834 | 125,773 | SH | | SOLE | | 0 | 0 | 125,773 |
MONDELEZ INTL INC | COM | 609207105 | 264 | 4,797 | SH | | SOLE | | 0 | 0 | 4,797 |
MORGAN STANLEY & CO | COM | 617446448 | 618 | 12,088 | SH | | SOLE | | 0 | 0 | 12,088 |
MOTOROLA SOLUTIONS, INC | COM | 620076307 | 819 | 5,084 | SH | | SOLE | | 0 | 0 | 5,084 |
NESTLE SA REG ADR | COM | 641069406 | 249 | 2,303 | SH | | SOLE | | 0 | 0 | 2,303 |
NEXTERA ENERGY | COM | 65339F101 | 5,353 | 22,105 | SH | | SOLE | | 0 | 0 | 22,105 |
NORFOLK SOUTHERN CORP | COM | 655844108 | 297 | 1,531 | SH | | SOLE | | 0 | 0 | 1,531 |
NORTHERN TRUST CORP | COM | 665859104 | 1,105 | 10,400 | SH | | SOLE | | 0 | 0 | 10,400 |
ORACLE CORP | COM | 68389X105 | 421 | 7,949 | SH | | SOLE | | 0 | 0 | 7,949 |
PEPSICO INCORPORATED | COM | 713448108 | 12,680 | 92,781 | SH | | SOLE | | 0 | 0 | 92,781 |
PFIZER INCORPORATED | COM | 717081103 | 1,470 | 37,522 | SH | | SOLE | | 0 | 0 | 37,522 |
PHILIP MORRIS INTERNATIONAL | COM | 718172109 | 423 | 4,968 | SH | | SOLE | | 0 | 0 | 4,968 |
PHILLIPS 66 | COM | 718546104 | 517 | 4,638 | SH | | SOLE | | 0 | 0 | 4,638 |
PIONEER NAT RES CO | COM | 723787107 | 227 | 1,500 | SH | | SOLE | | 0 | 0 | 1,500 |
PNC FINANCIAL SERVICES GROUP | COM | 693475105 | 584 | 3,656 | SH | | SOLE | | 0 | 0 | 3,656 |
POWERSHARES QQQ TR ETF SERIES | COM | 73935A104 | 1,321 | 6,211 | SH | | SOLE | | 0 | 0 | 6,211 |
PROCTER & GAMBLE COMPANY | COM | 742718109 | 16,248 | 130,089 | SH | | SOLE | | 0 | 0 | 130,089 |
PUBLIC SERVICE ENTERPRISE GROU | COM | 744573106 | 265 | 4,490 | SH | | SOLE | | 0 | 0 | 4,490 |
RAYTHEON COMPANY NEW | COM | 755111507 | 242 | 1,100 | SH | | SOLE | | 0 | 0 | 1,100 |
SAUL CENTERS INC. | COM | 804395101 | 368 | 6,978 | SH | | SOLE | | 0 | 0 | 6,978 |
SELECT SECTOR SPDR TR UTILITIE | COM | 81369Y886 | 291 | 4,500 | SH | | SOLE | | 0 | 0 | 4,500 |
SMUCKER J.M. CO | COM | 832696405 | 521 | 5,006 | SH | | SOLE | | 0 | 0 | 5,006 |
SOUTHERN COMPANY (THE) | COM | 842587107 | 3,294 | 51,717 | SH | | SOLE | | 0 | 0 | 51,717 |
SPDR S&P 500 ETF | COM | 78462F103 | 363 | 1,128 | SH | | SOLE | | 0 | 0 | 1,128 |
SYSCO CORPORATION | COM | 871829107 | 1,511 | 17,667 | SH | | SOLE | | 0 | 0 | 17,667 |
T ROWE PRICE GROUP INC. | COM | 74144T108 | 12,114 | 99,429 | SH | | SOLE | | 0 | 0 | 99,429 |
TARGET CORP | COM | 87612E106 | 710 | 5,534 | SH | | SOLE | | 0 | 0 | 5,534 |
TEXAS INSTRUMENTS | COM | 882508104 | 840 | 6,548 | SH | | SOLE | | 0 | 0 | 6,548 |
THE TJX COMPANIES | COM | 872540109 | 244 | 4,000 | SH | | SOLE | | 0 | 0 | 4,000 |
THE TRAVELERS COS INC | COM | 89417E109 | 565 | 4,127 | SH | | SOLE | | 0 | 0 | 4,127 |
THERMO FISHER SCIENTIFIC | COM | 883556102 | 491 | 1,510 | SH | | SOLE | | 0 | 0 | 1,510 |
UDR INC | COM | 902653104 | 960 | 20,549 | SH | | SOLE | | 0 | 0 | 20,549 |
UNILEVER | COM | 904784709 | 276 | 4,800 | SH | | SOLE | | 0 | 0 | 4,800 |
UNION PACIFIC CORP | COM | 907818108 | 6,532 | 36,128 | SH | | SOLE | | 0 | 0 | 36,128 |
UNITED HEALTHCARE CORP | COM | 91324P102 | 7,138 | 24,281 | SH | | SOLE | | 0 | 0 | 24,281 |
UNITED TECHNOLOGIES CORP COM | COM | 913017109 | 8,844 | 59,053 | SH | | SOLE | | 0 | 0 | 59,053 |
US BANCORP DEL (NEW) | COM | 902973304 | 272 | 4,585 | SH | | SOLE | | 0 | 0 | 4,585 |
VANGUARD EMERGING MARKETS ETF | COM | 922042858 | 778 | 17,499 | SH | | SOLE | | 0 | 0 | 17,499 |
VANGUARD FTSE DEVELOPED MARKET | COM | 921943858 | 1,179 | 26,749 | SH | | SOLE | | 0 | 0 | 26,749 |
VANGUARD INFORMATION TECHNOLOG | COM | 92204A702 | 51,130 | 208,823 | SH | | SOLE | | 0 | 0 | 208,823 |
VANGUARD MID CAP ETF | COM | 922908629 | 6,157 | 34,554 | SH | | SOLE | | 0 | 0 | 34,554 |
VANGUARD REIT ETF | COM | 922908553 | 660 | 7,110 | SH | | SOLE | | 0 | 0 | 7,110 |
VANGUARD S&P ETF | COM | 922908363 | 991 | 3,350 | SH | | SOLE | | 0 | 0 | 3,350 |
VANGUARD SMALL CAP ETF | COM | 922908751 | 4,575 | 27,618 | SH | | SOLE | | 0 | 0 | 27,618 |
VANGUARD TOTAL STOCK MARKET | COM | 922908769 | 3,034 | 18,541 | SH | | SOLE | | 0 | 0 | 18,541 |
VERIZON COMMUNICATIONS | COM | 92343V104 | 4,500 | 73,293 | SH | | SOLE | | 0 | 0 | 73,293 |
VISA INC CLASS A | COM | 92826C839 | 12,240 | 65,139 | SH | | SOLE | | 0 | 0 | 65,139 |
VULCAN MATERIALS CO | COM | 929160109 | 346 | 2,400 | SH | | SOLE | | 0 | 0 | 2,400 |
WAL-MART STORES INC | COM | 931142103 | 593 | 4,987 | SH | | SOLE | | 0 | 0 | 4,987 |
WALGREENS BOOTS ALLIANCE, INC. | COM | 931427108 | 3,852 | 65,335 | SH | | SOLE | | 0 | 0 | 65,335 |
WALT DISNEY COMPANY | COM | 254687106 | 9,256 | 63,997 | SH | | SOLE | | 0 | 0 | 63,997 |
WASH REAL ESTATE INV TRUST S B | COM | 939653101 | 2,476 | 84,855 | SH | | SOLE | | 0 | 0 | 84,855 |
WASTE CONNECTIONS INC | COM | 94106B101 | 300 | 3,300 | SH | | SOLE | | 0 | 0 | 3,300 |
WEINGARTEN REALTY INVS S B I | COM | 948741103 | 2,423 | 77,557 | SH | | SOLE | | 0 | 0 | 77,557 |
WELLS FARGO & CO. NEW | COM | 949746101 | 5,961 | 110,801 | SH | | SOLE | | 0 | 0 | 110,801 |
WEYERHAEUSER CO | COM | 962166104 | 318 | 10,539 | SH | | SOLE | | 0 | 0 | 10,539 |
WHITE MOUNTAINS INS. | COM | G9618E107 | 222 | 199 | SH | | SOLE | | 0 | 0 | 199 |
ZIMMER BIOMET HOLDINGS INC. | COM | 98956P102 | 500 | 3,340 | SH | | SOLE | | 0 | 0 | 3,340 |