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 (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M CO. COM 88579Y101 2,543 18,627 SH   SOLE   0 0 18,627
ABBOTT LABORATORIES COM 002824100 7,139 90,470 SH   SOLE   0 0 90,470
ABBVIE INC COM 00287Y109 1,368 17,951 SH   SOLE   0 0 17,951
ADOBE SYSTEMS INCORPORATED COM 00724F101 4,650 14,613 SH   SOLE   0 0 14,613
AIR PRODUCTS & CHEMICALS COM 009158106 273 1,368 SH   SOLE   0 0 1,368
AKITA DRILLING LTD COM 009905100 5 15,207 SH   SOLE   0 0 15,207
ALASKA COMMUNICATIONS SYS COM 01167P101 23 13,374 SH   SOLE   0 0 13,374
ALIO GOLD INC COM 01627X108 7 13,504 SH   SOLE   0 0 13,504
ALLSTATE CORPORATION COM 020002101 595 6,483 SH   SOLE   0 0 6,483
ALPHABET INC NON-VOTING CL C COM 02079K107 7,304 6,281 SH   SOLE   0 0 6,281
ALPHABET INC VOTING CL A COM 02079K305 567 488 SH   SOLE   0 0 488
AMAZON.COM INC COM 023135106 8,454 4,336 SH   SOLE   0 0 4,336
AMERICAN ELECTRIC POWER COM 025537101 208 2,606 SH   SOLE   0 0 2,606
AMERICAN EXPRESS INC COM 025816109 2,315 27,040 SH   SOLE   0 0 27,040
AMERIGO RES LTD COM 03074G109 6 59,522 SH   SOLE   0 0 59,522
AMGEN INC COM 031162100 1,004 4,951 SH   SOLE   0 0 4,951
APPLE INC COM 037833100 11,051 43,457 SH   SOLE   0 0 43,457
ARCHER DANIELS MIDLAND CO COM 039483102 875 24,876 SH   SOLE   0 0 24,876
AT&T CORP NEW COM 00206R102 1,779 61,017 SH   SOLE   0 0 61,017
ATMOS ENERGY CORP COM 049560105 1,806 18,200 SH   SOLE   0 0 18,200
BANK OF AMERICA COM 060505104 876 41,267 SH   SOLE   0 0 41,267
BANK OF NEW YORK MELLON CORP COM 064058100 646 19,175 SH   SOLE   0 0 19,175
BECTON DICKINSON COM 075887109 9,747 42,423 SH   SOLE   0 0 42,423
BERKSHIRE HATHAWAY INC DEL CLA COM 084670108 2,992 11 SH   SOLE   0 0 11
BERKSHIRE HATHAWAY INC DEL CLA COM 084670702 916 5,010 SH   SOLE   0 0 5,010
BOEING COM 097023105 1,439 9,648 SH   SOLE   0 0 9,648
BRISTOL-MYERS SQUIBB COMPANY COM 110122108 855 15,339 SH   SOLE   0 0 15,339
C S X CORPORATION COM 126408103 401 7,000 SH   SOLE   0 0 7,000
CABLE ONE INC COM 12685J105 620 377 SH   SOLE   0 0 377
CATERPILLAR INCORPORATED COM 149123101 4,230 36,456 SH   SOLE   0 0 36,456
CHEMOURS CO COM 163851108 6,235 702,885 SH   SOLE   0 0 702,885
CHEVRON CORP COM 166764100 4,079 56,289 SH   SOLE   0 0 56,289
CHURCH & DWIGHT CO INC COM 171340102 9,441 147,101 SH   SOLE   0 0 147,101
CISCO SYSTEMS INC COM 17275R102 5,645 143,592 SH   SOLE   0 0 143,592
COCA-COLA COMPANY COM 191216100 1,809 40,882 SH   SOLE   0 0 40,882
COLGATE-PALMOLIVE COMPANY COM 194162103 408 6,152 SH   SOLE   0 0 6,152
COMCAST CORP NEW CL A COM 20030N101 214 6,222 SH   SOLE   0 0 6,222
CORNING INC. COM 219350105 499 24,300 SH   SOLE   0 0 24,300
CORTEVA INC COM 22052L104 25,053 1,066,079 SH   SOLE   0 0 1,066,079
CVS CAREMARK CORPORATION COM 126650100 472 7,950 SH   SOLE   0 0 7,950
DANAHER CORP COM 235851102 585 4,225 SH   SOLE   0 0 4,225
DENTSPLY SIRONA INC COM 24906P109 1,448 37,290 SH   SOLE   0 0 37,290
DISCOVER FINANCIAL SERVICES COM 254709108 214 5,992 SH   SOLE   0 0 5,992
DOMINION RESOURCES INC OF VA COM 25746U109 3,949 54,697 SH   SOLE   0 0 54,697
DOW CHEMICAL COMPANY (THE) COM 260543103 32,227 1,102,162 SH   SOLE   0 0 1,102,162
DTE ENERGY COM 233331107 286 3,011 SH   SOLE   0 0 3,011
DU PONT (E.I.) DE NEMOURS & CO COM 263534109 37,657 1,104,297 SH   SOLE   0 0 1,104,297
DUKE ENERGY CORP COM 26441C204 1,303 16,108 SH   SOLE   0 0 16,108
ELI LILLY & CO COM 532457108 669 4,822 SH   SOLE   0 0 4,822
EMERSON ELECTRIC CO. COM 291011104 677 14,206 SH   SOLE   0 0 14,206
ENBRIDGE INC. COM 29250N105 714 24,542 SH   SOLE   0 0 24,542
ESSENTIAL UTILITIES INC COM 29670G102 6,577 161,587 SH   SOLE   0 0 161,587
EXXON MOBIL CORPORATION COM 30231G102 5,525 145,514 SH   SOLE   0 0 145,514
FEDERAL REALTY INV TR S B I COM 313747206 796 10,664 SH   SOLE   0 0 10,664
FEDEX CORP COM 31428X106 3,414 28,157 SH   SOLE   0 0 28,157
FISERV INC COM 337738108 294 3,090 SH   SOLE   0 0 3,090
FORTIVE CORP COM 34959J108 217 3,938 SH   SOLE   0 0 3,938
FRANKLIN RESOURCES INC COM 354613101 377 22,585 SH   SOLE   0 0 22,585
GENERAL ELECTRIC COMPANY COM 369604103 1,455 183,261 SH   SOLE   0 0 183,261
GENERAL MILLS INC COM 370334104 634 12,014 SH   SOLE   0 0 12,014
GEODRILL LTD COM G3828T103 15 16,243 SH   SOLE   0 0 16,243
GOLDQUEST MINING CORP COM 38144C100 1 11,371 SH   SOLE   0 0 11,371
HERSHEY COMPANY COM 427866108 1,558 11,762 SH   SOLE   0 0 11,762
HIGHPOINT RES CORP COM 43114K108 3 13,487 SH   SOLE   0 0 13,487
HOME DEPOT COM 437076102 900 4,820 SH   SOLE   0 0 4,820
HONEYWELL INTERNATIONAL INC COM 438516106 2,449 18,302 SH   SOLE   0 0 18,302
ILLINOIS TOOL WORKS INC. COM 452308109 8,903 62,644 SH   SOLE   0 0 62,644
INTEL CORP COM COM 458140100 7,099 131,174 SH   SOLE   0 0 131,174
INTERNATIONAL BUSINESS MACHINE COM 459200101 2,185 19,699 SH   SOLE   0 0 19,699
INTUIT INC COM 461202103 828 3,600 SH   SOLE   0 0 3,600
ISHARES MSCI EAFE INDEX COM 464287465 290 5,424 SH   SOLE   0 0 5,424
ISHARES NASDAQ BIOTECH INDEX COM 464287556 5,747 53,340 SH   SOLE   0 0 53,340
ISHARES RUSSELL 2000 IDX COM 464287655 3,513 30,694 SH   SOLE   0 0 30,694
ISHARES RUSSELL MIDCAP INDEX COM 464287499 5,133 118,911 SH   SOLE   0 0 118,911
JOHNSON & JOHNSON COM 478160104 13,869 105,765 SH   SOLE   0 0 105,765
JPMORGAN CHASE & CO. COM 46625H100 8,324 92,462 SH   SOLE   0 0 92,462
KELLOGG COMPANY COM 487836108 2,435 40,586 SH   SOLE   0 0 40,586
KIMBERLY-CLARK CORP COM 494368103 2,636 20,612 SH   SOLE   0 0 20,612
LABORATORY CORP OF AMERICA COM 50540R409 792 6,267 SH   SOLE   0 0 6,267
LINDE PLC COM G5494J103 313 1,807 SH   SOLE   0 0 1,807
LION ONE METALS LTD COM 536216104 9 10,801 SH   SOLE   0 0 10,801
LOCKHEED MARTIN COM 539830109 806 2,377 SH   SOLE   0 0 2,377
LOWES COS COM 548661107 8,884 103,246 SH   SOLE   0 0 103,246
M & T BANK CORP COM 55261F104 1,401 13,550 SH   SOLE   0 0 13,550
MANPOWER INC WISCONSIN COM 56418H100 250 4,724 SH   SOLE   0 0 4,724
MARRIOTT INTERNATIONAL, NEW IN COM 571903202 3,965 53,005 SH   SOLE   0 0 53,005
MC DONALD'S CORPORATION COM 580135101 9,171 55,463 SH   SOLE   0 0 55,463
MEDTRONIC INC COM G5960L103 275 3,049 SH   SOLE   0 0 3,049
MERCK & COMPANY INCORPORATED N COM 58933Y105 5,753 74,771 SH   SOLE   0 0 74,771
MICROSOFT CORPORATION COM 594918104 19,742 125,180 SH   SOLE   0 0 125,180
MINERA ALAMOS INC COM 60283L105 14 82,931 SH   SOLE   0 0 82,931
MONDELEZ INTL INC COM 609207105 240 4,797 SH   SOLE   0 0 4,797
MORGAN STANLEY & CO COM 617446448 411 12,088 SH   SOLE   0 0 12,088
MOTOROLA SOLUTIONS, INC COM 620076307 676 5,084 SH   SOLE   0 0 5,084
NESTLE SA REG ADR COM 641069406 237 2,303 SH   SOLE   0 0 2,303
NEXTERA ENERGY COM 65339F101 5,120 21,280 SH   SOLE   0 0 21,280
NORFOLK SOUTHERN CORP COM 655844108 224 1,531 SH   SOLE   0 0 1,531
NORTHERN TRUST CORP COM 665859104 785 10,400 SH   SOLE   0 0 10,400
ORACLE CORP COM 68389X105 384 7,949 SH   SOLE   0 0 7,949
OREZONE GOLD CORP COM 68616T109 5 15,608 SH   SOLE   0 0 15,608
PEPSICO INCORPORATED COM 713448108 10,932 91,026 SH   SOLE   0 0 91,026
PFIZER INCORPORATED COM 717081103 1,223 37,479 SH   SOLE   0 0 37,479
PHILIP MORRIS INTERNATIONAL COM 718172109 362 4,968 SH   SOLE   0 0 4,968
PHILLIPS 66 COM 718546104 246 4,588 SH   SOLE   0 0 4,588
PNC FINANCIAL SERVICES GROUP COM 693475105 350 3,656 SH   SOLE   0 0 3,656
POWERSHARES QQQ TR ETF SERIES COM 73935A104 1,183 6,211 SH   SOLE   0 0 6,211
PROCTER & GAMBLE COMPANY COM 742718109 14,106 128,233 SH   SOLE   0 0 128,233
PUBLIC SERVICE ENTERPRISE GROU COM 744573106 202 4,490 SH   SOLE   0 0 4,490
ROXGOLD INC COM 779899202 10 17,916 SH   SOLE   0 0 17,916
SAUL CENTERS INC. COM 804395101 228 6,978 SH   SOLE   0 0 6,978
SELECT SECTOR SPDR TR UTILITIE COM 81369Y886 249 4,500 SH   SOLE   0 0 4,500
SMUCKER J.M. CO COM 832696405 556 5,006 SH   SOLE   0 0 5,006
SOURCE ENERGY SERVICES LTD COM 83615X100 1 10,517 SH   SOLE   0 0 10,517
SOUTHERN COMPANY (THE) COM 842587107 2,745 50,697 SH   SOLE   0 0 50,697
SPDR S&P 500 ETF COM 78462F103 291 1,128 SH   SOLE   0 0 1,128
STRAD INC COM 86254Q104 28 20,815 SH   SOLE   0 0 20,815
SUPERIOR GOLD INC COM 86816U106 5 15,376 SH   SOLE   0 0 15,376
SYSCO CORPORATION COM 871829107 816 17,875 SH   SOLE   0 0 17,875
T ROWE PRICE GROUP INC. COM 74144T108 9,540 97,692 SH   SOLE   0 0 97,692
TARGET CORP COM 87612E106 515 5,534 SH   SOLE   0 0 5,534
TEXAS INSTRUMENTS COM 882508104 654 6,548 SH   SOLE   0 0 6,548
THE TRAVELERS COS INC COM 89417E109 410 4,127 SH   SOLE   0 0 4,127
THERMO FISHER SCIENTIFIC COM 883556102 423 1,490 SH   SOLE   0 0 1,490
TREVALI MINING CORP COM 89531J109 3 43,990 SH   SOLE   0 0 43,990
UDR INC COM 902653104 714 19,549 SH   SOLE   0 0 19,549
UNILEVER COM 904784709 234 4,800 SH   SOLE   0 0 4,800
UNION PACIFIC CORP COM 907818108 4,819 34,168 SH   SOLE   0 0 34,168
UNITED HEALTHCARE CORP COM 91324P102 5,877 23,566 SH   SOLE   0 0 23,566
UNITED TECHNOLOGIES CORP COM COM 913017109 5,478 58,072 SH   SOLE   0 0 58,072
VANGUARD EMERGING MARKETS ETF COM 922042858 570 16,999 SH   SOLE   0 0 16,999
VANGUARD FTSE DEVELOPED MARKET COM 921943858 845 25,349 SH   SOLE   0 0 25,349
VANGUARD INFORMATION TECHNOLOG COM 92204A702 42,423 200,202 SH   SOLE   0 0 200,202
VANGUARD MID CAP ETF COM 922908629 4,547 34,539 SH   SOLE   0 0 34,539
VANGUARD REIT ETF COM 922908553 497 7,110 SH   SOLE   0 0 7,110
VANGUARD S&P ETF COM 922908363 793 3,350 SH   SOLE   0 0 3,350
VANGUARD SMALL CAP ETF COM 922908751 3,187 27,603 SH   SOLE   0 0 27,603
VANGUARD TOTAL STOCK MARKET COM 922908769 2,170 16,835 SH   SOLE   0 0 16,835
VERIZON COMMUNICATIONS COM 92343V104 3,705 68,963 SH   SOLE   0 0 68,963
VISA INC CLASS A COM 92826C839 10,242 63,565 SH   SOLE   0 0 63,565
VULCAN MATERIALS CO COM 929160109 259 2,400 SH   SOLE   0 0 2,400
WAL-MART STORES INC COM 931142103 523 4,602 SH   SOLE   0 0 4,602
WALGREENS BOOTS ALLIANCE, INC. COM 931427108 2,754 60,195 SH   SOLE   0 0 60,195
WALT DISNEY COMPANY COM 254687106 6,022 62,341 SH   SOLE   0 0 62,341
WASH REAL ESTATE INV TRUST S B COM 939653101 1,978 82,855 SH   SOLE   0 0 82,855
WASTE CONNECTIONS INC COM 94106B101 253 3,300 SH   SOLE   0 0 3,300
WEINGARTEN REALTY INVS S B I COM 948741103 1,089 75,456 SH   SOLE   0 0 75,456
WELLS FARGO & CO. NEW COM 949746101 3,079 107,292 SH   SOLE   0 0 107,292
WEYERHAEUSER CO COM 962166104 179 10,539 SH   SOLE   0 0 10,539
ZIMMER BIOMET HOLDINGS INC. COM 98956P102 330 3,260 SH   SOLE   0 0 3,260