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
AMERICAN FUNDS WASHINGTON MUTU MF 939330825 768 17,144 SH   SOLE   0 0 17,144
EATON VANCE NAT LIM MATURITY T MF 27826H784 271 29,752 SH   SOLE   0 0 29,752
FEDERATED SHORT TERM MUNI TR I MF 313907206 286 27,965 SH   SOLE   0 0 27,965
FIDELITY 500 INDEX FUND MF 315911701 1,118 12,057 SH   SOLE   0 0 12,057
FIDELITY CONTRAFUND MF 316071109 892 7,179 SH   SOLE   0 0 7,179
FRANKLIN INCOME FUND MF 353496805 75 32,681 SH   SOLE   0 0 32,681
INVESCO GLOBAL CORE EQUITY CL MF 00141L798 216 13,481 SH   SOLE   0 0 13,481
MFS MASSACHUSETTS INV TRUST CL MF 575736400 641 20,555 SH   SOLE   0 0 20,555
NUVEEN INSD DIV ADV MUNI FD CO MF 67071L106 623 42,948 SH   SOLE   0 0 42,948
NUVEEN MD PREMIUM INC MUNICIPA MF 67061Q107 279 23,025 SH   SOLE   0 0 23,025
PIMCO REAL RETURN BOND FD CL C MF 693391146 152 13,953 SH   SOLE   0 0 13,953
PUTNAM MUNI OPPORTUNITIES TR S MF 746922103 143 12,262 SH   SOLE   0 0 12,262
T ROWE PRICE ST TAX FREE INCOM MF 77957R101 255 23,997 SH   SOLE   0 0 23,997
T. ROWE PRICE BLUE CHIP GROWTH MF 77954Q106 211 2,071 SH   SOLE   0 0 2,071
T. ROWE PRICE HIGH-YIELD MF 741481105 74 11,268 SH   SOLE   0 0 11,268
T. ROWE PRICE SMALL-CAP VALUE MF 77957Q103 427 8,846 SH   SOLE   0 0 8,846
VANGUARD MONEY MARKET RESERVES MF 922906201 64 63,502 SH   SOLE   0 0 63,502
3M CO. COM 88579Y101 4,112 18,731 SH   SOLE   0 0 18,731
ABBOTT LABORATORIES COM 002824100 5,714 95,353 SH   SOLE   0 0 95,353
ABBVIE INC COM 00287Y109 1,982 20,937 SH   SOLE   0 0 20,937
ADOBE SYSTEMS INCORPORATED COM 00724F101 2,572 11,902 SH   SOLE   0 0 11,902
ADOBE SYSTEMS INCORPORATED COM 00724F101 42 195 SH   OTR   0 0 195
AIR PRODUCTS & CHEMICALS COM 009158106 221 1,391 SH   SOLE   0 0 1,391
ALLSTATE CORPORATION COM 020002101 776 8,182 SH   SOLE   0 0 8,182
ALPHABET INC NON-VOTING CL C COM 02079K107 1,749 1,695 SH   SOLE   0 0 1,695
ALPHABET INC NON-VOTING CL C COM 02079K107 10 10 SH   OTR   0 0 10
ALPHABET INC VOTING CL A COM 02079K305 522 503 SH   SOLE   0 0 503
ALPHABET INC VOTING CL A COM 02079K305 10 10 SH   OTR   0 0 10
ALTRIA GROUP COM 02209S103 293 4,700 SH   SOLE   0 0 4,700
AMAZON.COM INC COM 023135106 3,358 2,320 SH   SOLE   0 0 2,320
AMERICAN EXPRESS INC COM 025816109 1,967 21,092 SH   SOLE   0 0 21,092
AMERICAN EXPRESS INC COM 025816109 20 210 SH   OTR   0 0 210
AMGEN INC COM 031162100 890 5,221 SH   SOLE   0 0 5,221
AMGEN INC COM 031162100 14 85 SH   OTR   0 0 85
ANADARKO PETROLEUM CORP COM 032511107 352 5,829 SH   SOLE   0 0 5,829
ANADARKO PETROLEUM CORP COM 032511107 5 80 SH   OTR   0 0 80
APACHE CORP COM 037411105 391 10,162 SH   SOLE   0 0 10,162
APACHE CORP COM 037411105 4 100 SH   OTR   0 0 100
APPLE INC COM 037833100 6,359 37,901 SH   SOLE   0 0 37,901
AQUA AMERICA COM 03836W103 4,915 144,290 SH   SOLE   0 0 144,290
AQUA AMERICA COM 03836W103 8 231 SH   OTR   0 0 231
ARCHER DANIELS MIDLAND CO COM 039483102 1,207 27,831 SH   SOLE   0 0 27,831
ARCHER DANIELS MIDLAND CO COM 039483102 12 280 SH   OTR   0 0 280
AT&T CORP NEW COM 00206R102 3,341 93,723 SH   SOLE   0 0 93,723
ATMOS ENERGY CORP COM 049560105 1,073 12,740 SH   SOLE   0 0 12,740
BANK OF AMERICA COM 060505104 1,055 35,188 SH   SOLE   0 0 35,188
BANK OF NEW YORK MELLON CORP COM 064058100 1,092 21,184 SH   SOLE   0 0 21,184
BANK OF NEW YORK MELLON CORP COM 064058100 15 290 SH   OTR   0 0 290
BECTON DICKINSON COM 075887109 9,320 43,010 SH   SOLE   0 0 43,010
BERKSHIRE HATHAWAY INC DEL CLA COM 084670108 4,187 14 SH   SOLE   0 0 14
BERKSHIRE HATHAWAY INC DEL CLA COM 084670702 697 3,494 SH   SOLE   0 0 3,494
BOEING COM 097023105 3,245 9,898 SH   SOLE   0 0 9,898
BP PLC SPONS ADR COM 055622104 372 9,164 SH   SOLE   0 0 9,164
BRISTOL-MYERS SQUIBB COMPANY COM 110122108 1,020 16,133 SH   SOLE   0 0 16,133
BUCKEYE PARTNERS LP LTD PARTNE COM 118230101 219 5,850 SH   SOLE   0 0 5,850
C S X CORPORATION COM 126408103 412 7,400 SH   SOLE   0 0 7,400
CABLE ONE INC COM 12685J105 259 377 SH   SOLE   0 0 377
CATERPILLAR INCORPORATED COM 149123101 5,129 34,801 SH   SOLE   0 0 34,801
CATERPILLAR INCORPORATED COM 149123101 15 105 SH   OTR   0 0 105
CHEMOURS CO COM 163851108 35,762 734,185 SH   SOLE   0 0 734,185
CHEVRON CORP COM 166764100 6,945 60,903 SH   SOLE   0 0 60,903
CHEVRON CORP COM 166764100 18 155 SH   OTR   0 0 155
CHURCH & DWIGHT CO INC COM 171340102 7,669 152,293 SH   SOLE   0 0 152,293
CHURCH & DWIGHT CO INC COM 171340102 11 210 SH   OTR   0 0 210
CIMAREX ENERGY CO. COM 171798101 374 4,000 SH   SOLE   0 0 4,000
CISCO SYSTEMS INC COM 17275R102 5,830 135,921 SH   SOLE   0 0 135,921
CISCO SYSTEMS INC COM 17275R102 21 500 SH   OTR   0 0 500
COASTAL CARIBBEAN OILS & MINER COM 190432203 0 69,910 SH   SOLE   0 0 69,910
COCA-COLA COMPANY COM 191216100 1,943 44,728 SH   SOLE   0 0 44,728
COLGATE-PALMOLIVE COMPANY COM 194162103 481 6,709 SH   SOLE   0 0 6,709
COMCAST CORP NEW CL A COM 20030N101 425 12,446 SH   SOLE   0 0 12,446
CONOCOPHILLIPS COM 20825C104 328 5,534 SH   SOLE   0 0 5,534
CORNING INC. COM 219350105 679 24,365 SH   SOLE   0 0 24,365
CVS CAREMARK CORPORATION COM 126650100 524 8,422 SH   SOLE   0 0 8,422
DANAHER CORP COM 235851102 376 3,841 SH   SOLE   0 0 3,841
DANAHER CORP COM 235851102 16 160 SH   OTR   0 0 160
DELL TECHNOLOGIES CL V COM 24703L103 279 3,815 SH   SOLE   0 0 3,815
DENTSPLY SIRONA INC COM 24906P109 4,892 97,235 SH   SOLE   0 0 97,235
DISCOVER FINANCIAL SERVICES COM 254709108 624 8,677 SH   SOLE   0 0 8,677
DOMINION RESOURCES INC OF VA COM 25746U109 2,971 44,061 SH   SOLE   0 0 44,061
DOMINION RESOURCES INC OF VA COM 25746U109 6 85 SH   OTR   0 0 85
DOVER CORPORATION COM 260003108 224 2,285 SH   SOLE   0 0 2,285
DOWDUPONT INC. COM 26078J100 211,645 3,322,007 SH   SOLE   0 0 3,322,007
DOWDUPONT INC. COM 26078J100 12 192 SH   OTR   0 0 192
DTE ENERGY COM 233331107 314 3,011 SH   SOLE   0 0 3,011
DUKE ENERGY CORP COM 26441C204 1,171 15,112 SH   SOLE   0 0 15,112
ELI LILLY & CO COM 532457108 373 4,822 SH   SOLE   0 0 4,822
EMERSON ELECTRIC CO. COM 291011104 968 14,179 SH   SOLE   0 0 14,179
ENBRIDGE INC. COM 29250N105 1,479 47,009 SH   SOLE   0 0 47,009
EXPRESS SCRIPTS HLDG CO COM 30219G108 252 3,650 SH   SOLE   0 0 3,650
EXXON MOBIL CORPORATION COM 30231G102 12,057 161,602 SH   SOLE   0 0 161,602
EXXON MOBIL CORPORATION COM 30231G102 13 180 SH   OTR   0 0 180
FEDERAL REALTY INV TR S B I COM 313747206 1,228 10,579 SH   SOLE   0 0 10,579
FEDEX CORP COM 31428X106 6,658 27,730 SH   SOLE   0 0 27,730
FORTIVE CORP COM 34959J108 242 3,120 SH   SOLE   0 0 3,120
FORTIVE CORP COM 34959J108 10 135 SH   OTR   0 0 135
FRANKLIN RESOURCES INC COM 354613101 805 23,219 SH   SOLE   0 0 23,219
GENERAL ELECTRIC COMPANY COM 369604103 5,006 371,365 SH   SOLE   0 0 371,365
GENERAL ELECTRIC COMPANY COM 369604103 3 205 SH   OTR   0 0 205
GENERAL MILLS INC COM 370334104 708 15,704 SH   SOLE   0 0 15,704
GRAHAM HOLDINGS CO. COM 384637104 250 415 SH   SOLE   0 0 415
HERSHEY COMPANY COM 427866108 1,321 13,352 SH   SOLE   0 0 13,352
HOME DEPOT COM 437076102 897 5,030 SH   SOLE   0 0 5,030
HONEYWELL INTERNATIONAL INC COM 438516106 2,461 17,028 SH   SOLE   0 0 17,028
HOST HOTELS & RESORTS COM 44107P104 270 14,469 SH   SOLE   0 0 14,469
ILLINOIS TOOL WORKS INC. COM 452308109 10,110 64,537 SH   SOLE   0 0 64,537
ILLINOIS TOOL WORKS INC. COM 452308109 16 100 SH   OTR   0 0 100
INTEL CORP COM COM 458140100 6,216 119,352 SH   SOLE   0 0 119,352
INTEL CORP COM COM 458140100 32 620 SH   OTR   0 0 620
INTERNATIONAL BUSINESS MACHINE COM 459200101 3,960 25,811 SH   SOLE   0 0 25,811
INTERNATIONAL FLAVORS & FRAGRA COM 459506101 205 1,500 SH   SOLE   0 0 1,500
INTERNATIONAL PAPER CO COM 460146103 310 5,809 SH   SOLE   0 0 5,809
INTUIT INC COM 461202103 624 3,600 SH   SOLE   0 0 3,600
ISHARES MSCI EAFE INDEX COM 464287465 467 6,704 SH   SOLE   0 0 6,704
ISHARES NASDAQ BIOTECH INDEX COM 464287556 4,847 45,412 SH   SOLE   0 0 45,412
ISHARES RUSSELL 2000 IDX COM 464287655 4,970 32,734 SH   SOLE   0 0 32,734
ISHARES RUSSELL MIDCAP INDEX COM 464287499 6,436 31,176 SH   SOLE   0 0 31,176
JOHNSON & JOHNSON COM 478160104 14,742 115,039 SH   SOLE   0 0 115,039
JOHNSON & JOHNSON COM 478160104 22 175 SH   OTR   0 0 175
JPMORGAN CHASE & CO. COM 46625H100 9,608 87,374 SH   SOLE   0 0 87,374
JPMORGAN CHASE & CO. COM 46625H100 23 210 SH   OTR   0 0 210
KELLOGG COMPANY COM 487836108 3,104 47,741 SH   SOLE   0 0 47,741
KEYCORP COM 493267108 246 12,600 SH   SOLE   0 0 12,600
KIMBERLY-CLARK CORP COM 494368103 2,539 23,057 SH   SOLE   0 0 23,057
LABORATORY CORP OF AMERICA COM 50540R409 401 2,480 SH   SOLE   0 0 2,480
LABORATORY CORP OF AMERICA COM 50540R409 8 47 SH   OTR   0 0 47
LOCKHEED MARTIN COM 539830109 662 1,958 SH   SOLE   0 0 1,958
LOWES COS COM 548661107 9,965 113,563 SH   SOLE   0 0 113,563
LOWES COS COM 548661107 23 260 SH   OTR   0 0 260
M & T BANK CORP COM 55261F104 2,775 15,050 SH   SOLE   0 0 15,050
MANPOWER INC WISCONSIN COM 56418H100 544 4,724 SH   SOLE   0 0 4,724
MARRIOTT INTERNATIONAL, NEW IN COM 571903202 7,340 53,976 SH   SOLE   0 0 53,976
MARRIOTT VACATIONS WORLDWIDE C COM 57164Y107 360 2,705 SH   SOLE   0 0 2,705
MC DONALD'S CORPORATION COM 580135101 8,976 57,397 SH   SOLE   0 0 57,397
MC DONALD'S CORPORATION COM 580135101 17 110 SH   OTR   0 0 110
MEDTRONIC INC COM G5960L103 376 4,691 SH   SOLE   0 0 4,691
MERCK & COMPANY INCORPORATED N COM 58933Y105 3,780 69,389 SH   SOLE   0 0 69,389
MERCK & COMPANY INCORPORATED N COM 58933Y105 11 200 SH   OTR   0 0 200
MICROSOFT CORPORATION COM 594918104 12,097 132,538 SH   SOLE   0 0 132,538
MICROSOFT CORPORATION COM 594918104 49 540 SH   OTR   0 0 540
MORGAN STANLEY & CO COM 617446448 893 16,558 SH   SOLE   0 0 16,558
MOTOROLA SOLUTIONS, INC COM 620076307 547 5,191 SH   SOLE   0 0 5,191
NEXTERA ENERGY COM 65339F101 3,371 20,639 SH   SOLE   0 0 20,639
NEXTERA ENERGY COM 65339F101 10 60 SH   OTR   0 0 60
NORFOLK SOUTHERN CORP COM 655844108 248 1,825 SH   SOLE   0 0 1,825
NORTHERN TRUST CORP COM 665859104 1,073 10,400 SH   SOLE   0 0 10,400
ORACLE CORP COM 68389X105 408 8,926 SH   SOLE   0 0 8,926
PEPSICO INCORPORATED COM 713448108 10,185 93,311 SH   SOLE   0 0 93,311
PEPSICO INCORPORATED COM 713448108 7 65 SH   OTR   0 0 65
PFIZER INCORPORATED COM 717081103 1,371 38,640 SH   SOLE   0 0 38,640
PHILIP MORRIS INTERNATIONAL COM 718172109 517 5,200 SH   SOLE   0 0 5,200
PHILLIPS 66 COM 718546104 444 4,626 SH   SOLE   0 0 4,626
PIONEER NAT RES CO COM 723787107 275 1,600 SH   SOLE   0 0 1,600
PNC FINANCIAL SERVICES GROUP COM 693475105 554 3,664 SH   SOLE   0 0 3,664
POWERSHARES QQQ TR ETF SERIES COM 73935A104 995 6,211 SH   SOLE   0 0 6,211
PRAXAIR INC COM 74005P104 346 2,396 SH   SOLE   0 0 2,396
PROCTER & GAMBLE COMPANY COM 742718109 11,057 139,465 SH   SOLE   0 0 139,465
PROCTER & GAMBLE COMPANY COM 742718109 16 200 SH   OTR   0 0 200
PUBLIC SERVICE ENTERPRISE GROU COM 744573106 284 5,650 SH   SOLE   0 0 5,650
RAYTHEON COMPANY NEW COM 755111507 237 1,100 SH   SOLE   0 0 1,100
SAUL CENTERS INC. COM 804395101 349 6,850 SH   SOLE   0 0 6,850
SAUL CENTERS INC. COM 804395101 7 128 SH   OTR   0 0 128
SCHLUMBERGER LIMITED COM 806857108 233 3,600 SH   SOLE   0 0 3,600
SELECT SECTOR SPDR TR UTILITIE COM 81369Y886 243 4,800 SH   SOLE   0 0 4,800
SMUCKER J.M. CO COM 832696405 621 5,006 SH   SOLE   0 0 5,006
SOUTHERN COMPANY (THE) COM 842587107 3,565 79,825 SH   SOLE   0 0 79,825
SPDR S&P 500 ETF COM 78462F103 297 1,128 SH   SOLE   0 0 1,128
SYSCO CORPORATION COM 871829107 1,064 17,745 SH   SOLE   0 0 17,745
T ROWE PRICE GROUP INC. COM 74144T108 10,971 101,613 SH   SOLE   0 0 101,613
T ROWE PRICE GROUP INC. COM 74144T108 23 210 SH   OTR   0 0 210
TARGET CORP COM 87612E106 708 10,199 SH   SOLE   0 0 10,199
TEXAS INSTRUMENTS COM 882508104 665 6,400 SH   SOLE   0 0 6,400
THE TRAVELERS COS INC COM 89417E109 633 4,560 SH   SOLE   0 0 4,560
THERMO FISHER SCIENTIFIC COM 883556102 350 1,695 SH   SOLE   0 0 1,695
UDR INC COM 902653104 757 21,249 SH   SOLE   0 0 21,249
UNILEVER COM 904784709 271 4,800 SH   SOLE   0 0 4,800
UNION PACIFIC CORP COM 907818108 4,858 36,140 SH   SOLE   0 0 36,140
UNITED HEALTHCARE CORP COM 91324P102 5,292 24,731 SH   SOLE   0 0 24,731
UNITED TECHNOLOGIES CORP COM COM 913017109 7,455 59,253 SH   SOLE   0 0 59,253
UNITED TECHNOLOGIES CORP COM COM 913017109 16 125 SH   OTR   0 0 125
US BANCORP DEL (NEW) COM 902973304 241 4,781 SH   SOLE   0 0 4,781
VANGUARD EMERGING MARKETS ETF COM 922042858 853 18,159 SH   SOLE   0 0 18,159
VANGUARD FTSE DEVELOPED MARKET COM 921943858 1,352 30,549 SH   SOLE   0 0 30,549
VANGUARD INFORMATION TECHNOLOG COM 92204A702 38,444 224,818 SH   SOLE   0 0 224,818
VANGUARD MID CAP ETF COM 922908629 4,486 29,089 SH   SOLE   0 0 29,089
VANGUARD S&P ETF COM 922908363 1,132 4,677 SH   SOLE   0 0 4,677
VANGUARD SMALL CAP ETF COM 922908751 3,633 24,727 SH   SOLE   0 0 24,727
VANGUARD TOTAL STOCK MARKET COM 922908769 2,045 15,070 SH   SOLE   0 0 15,070
VERIZON COMMUNICATIONS COM 92343V104 2,563 53,592 SH   SOLE   0 0 53,592
VISA INC CLASS A COM 92826C839 8,543 71,420 SH   SOLE   0 0 71,420
VULCAN MATERIALS CO COM 929160109 274 2,400 SH   SOLE   0 0 2,400
WAL-MART STORES INC COM 931142103 269 3,027 SH   SOLE   0 0 3,027
WALGREENS BOOTS ALLIANCE, INC. COM 931427108 5,545 84,702 SH   SOLE   0 0 84,702
WALGREENS BOOTS ALLIANCE, INC. COM 931427108 13 205 SH   OTR   0 0 205
WALT DISNEY COMPANY COM 254687106 5,608 55,832 SH   SOLE   0 0 55,832
WALT DISNEY COMPANY COM 254687106 17 165 SH   OTR   0 0 165
WASH REAL ESTATE INV TRUST S B COM 939653101 2,542 93,115 SH   SOLE   0 0 93,115
WASTE CONNECTIONS INC COM 94106B101 311 4,333 SH   SOLE   0 0 4,333
WEINGARTEN REALTY INVS S B I COM 948741103 2,394 85,259 SH   SOLE   0 0 85,259
WELLS FARGO & CO. NEW COM 949746101 7,303 139,338 SH   SOLE   0 0 139,338
WELLS FARGO & CO. NEW COM 949746101 21 395 SH   OTR   0 0 395
WEYERHAEUSER CO COM 962166104 560 16,004 SH   SOLE   0 0 16,004
WGL HLDGS INC COM 92924F106 1,694 20,248 SH   SOLE   0 0 20,248
YUM BRANDS INC COM 988498101 245 2,880 SH   SOLE   0 0 2,880
ZIMMER BIOMET HOLDINGS INC. COM 98956P102 392 3,594 SH   SOLE   0 0 3,594